Al-Ameri, T.K. 1983. Acid-resistant microfossils used in the determination of Palaeozoic palaeoenvironments in Libya. Palaeogeography, Palaeoclimatology, Palaeoecology 44: 103-116.
Al-Ameri, T.K. 1984. New taxa of the acritarch group “Pterospermopsis”. Journal of the Geological Society of Iraq 16: 126-147.
Al-Ameri, T.K. 2010. Palynostratigraphy and the assessment of gas and oil generation and accumulations in the Lower Paleozoic, Western Iraq. Arabian Journal of Geosciences 3: 155-179.
Astini, R.A. and Maretto, H.M. 1996. Análisis estratigráfico del Silúrico de la Precordillera Central de San Juan y consideraciones sobre la evo-lución de la cuenca. 2ºCongreso de Exploración de Hidrocarburos (Buenos Aires), Actas 1: 351-368.
Astini, R.A., Benedetto, J.L., and Vaccari, N.E. 1995. The early Paleozoic evolution of the Argentine Precordillera as a Laurentian rifted, drifted, and collided terrane: A geodynamic model. Geological Society of America Bulletin 107: 253-273.
Al-Ruwaili, M.H. 2000. New Silurian acritarchs from the subsurface of northwestern Saudi Arabia. In: S. Al-Hajri and B. Owens (eds.), Stratigraphic Palynology of the Paleozoic of Saudi Arabia. GeoArabia Special Publication 1: 82-91.
Balme, B. 1988. Miospores from Late Devonian (early Frasnian) strata, Carnarvon Basin, Western Australia. Palaeontographica Abteilung B 209: 109-166.
Batten, D.J. 1996. Palynofacies and palaeoenvironmental interpretations. In: J. Jansonius and D.C. McGregor (eds.), Palynology: Principles and Applications, 1011-1064. American Association of Stratigraphic Paly-nologists Foundation, Salt Lake City.
Beck, J.H. and Strother, P.K. 2001. Silurian spores and cryptospores from the Arisaig group, Nova Scotia, Canada. Palynology 25: 127-177.
Beck, J.H. and Strother, P.K. 2008. Miospores and cryptospores from the Silurian section at Allenport, Pennsylvania, USA. Journal of Paleontology 82: 857-883.
Benedetto, J.L. 2010. El continente de Gondwana a través del tiempo. Una introducción a la Geología Histórica. 384 pp. Academia Nacional de Ciencias, Córdoba.
Benedetto, J.L., Peralta, P., and Sánchez, T.M. 1996. Morfología y biometría de las especies de Clarkeia kozlowski (Brachiopoda, Rhynchonellida) en el Silúrico de la Precordillera Argentina. Ameghiniana 33: 279-299.
Benedetto, J.L., Racheboeuf, P.R., Herrera, Z.A., Brussa, E.D., and Toro, B.A. 1992. Brachiopodes et biostratigraphie de la Formation de Los Espejos, Siluro-Dévonien de la Précordillère (NW Argentine). Geobios 25: 599-637.
Breuer, P., Al-Ghazi, A., Al Ruwaili, M., Higgs, K.T., Steemans, P., and Wellman, C.H. 2007. Early to Middle Devonian miospores from northern Saudi Arabia. In: F. Paris, B. Owens, and M.A. Miller (eds.), Palaeozoic Palynology of the Arabian Plate and Adjacent Areas. Revue de Micropaléontologie 50: 27-57.
Breuer, P., Le Hérissé, A., Paris, F., Steemans, P., Verniers, J., and Wellman, C.H. 2017. A distinctive marginal marine palynological assemblage from the Přídolí of northwestern Saudi Arabia. Revue de Micropaléontologie 60: 371-402.
Brito, I.M. 1967. Silurian and Devonian Acritarcha from Maranhão Basin, Brazil. Micropaleontology 13: 473-482.
Brito, I.M. and Santos, A.S. 1965a. Contribuiçaõ ao conhecimento dos mi-crôfósseis Silurianos e Devonianos da Bacia do Maranhão. Parte 1. Os Netromorphitae (Leiofusidae). Divisao de Geologia e Mineralogia, Rio de Janeiro, XIX Congresso Brasileiro de Geologia 40: 57.
Burgess, N.D. 1991. Silurian cryptospores and miospores from the type Llandovery area, south-west Wales. Palaeontology 34: 575-599.
Burgess, N.D. and Richardson, J.B. 1991. Silurian cryptospores and miospores from the type Wenlock area, Shropshire, England. Palaeontology 34: 601-628.
Burgess, N.D. and Richardson, J.B. 1995. Late Wenlock to early Prídolí cryptospores and miospores from south and southwest Wales, Great Britain. Palaeontographica, Abteilung B 236: 1-44.
Calner, M. 2005. Silurian carbonate platforms and extinction events-ecosystem changes exemplified from Gotland, Sweden. Facies 51: 584-591.
Calner, M. 2008. Silurian global events-at the tipping point of climate change. In: A.M.T. Elewa (ed.), Mass Extinctions, 21-58. Springer-Verlag, Berlin.
Cardoso, T.R.M. 2005. Acritarcos do Siluriano da Bacia do Amazonas: bioestratigrafia e geocronologia. Arquivos do Museu Nacional, Rio de Janeiro 63: 727-759.
Cramer, F.H. 1964a. Microplankton from three Palaeozoic formations in the province of Leon, NW-Spain. Leidse Geologische Mededelingen 30: 253-361.
Cramer, F.H. 1964b. Some acritarchs from the San Pedro Formation (Ge-dinnien) of the Cantabric Mountains in Spain. Bulletin de la Société belge de Géologie, de Paléontologie et d'Hydrologie 73: 33-38.
Cramer, F.H. 1966a. Hoegispheres and other microfossils incertae sedis of the San Pedro Formation (Siluro-Devonian boundary) near Valpor-quero, Léon, NW Spain. Notas y Comunicaciónes Instituto Geológico y Minero de España 86: 75-94.
Cramer, F.H. 1966b. Palynology of Silurian and Devonian rocks in northwest Spain. Instituto Geológico y Minero de España, Boletin 77: 225-286.
Cramer, F.H. 1969. Possible implications for Silurian paleogeography from phytoplancton assemblages of the Rose Hill and Tuscarora formations of Pennsylvania. Journal of Paleontology 43: 485-491.
Cramer, F.H. 1970. Distribution of selected acritarchs. An account of the palynostratigraphy and palaeogeography of selected Silurian acritarch taxa. Revista Española de Micropaleontología. Numero Extraordinario: 1-203.
Cramer, F.H. and Díez, M. del C.R. 1972. North American Silurian palynofacies and their spatial arrangement: acritarchs. Palaeontographica Abteilung B 138: 107-180.
Cramer, F.H. and Díez, M. del C.R. 1976. Acritarchs from the La Vid shales (Emsian to lower Couvinian) at Colle, León, Spain. Palaeontographica Abteilung B 158: 72-103.
Cramer, F.H., Diez, M.D.C., and Cuerda, A.J. 1974. Late Silurian chitinozoans and acritarchs from Cochabamba, Bolivia. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1974 (1): 1-12.
Cuerda, A.J. 1965. Monograptus leintwardensis var. incipiens Wood en el Silúrico de la Precordillera. Ameghiniana 4: 171-178.
Cuerda, A.J. 1969. Sobre las graptofaunas del Silúrico de San Juan, Argentina. Ameghiniana 6: 223-235.
Deflandre, G. 1945. Microfossiles des calcaires siluriens de la Montagne Noire. Annales de Paléontologie 31: 41-75.
Delabroye, A., Munnecke, A., Vecoli, M., Copper, P., Tribovillard, N., Joachimski, M.M., Desrochers, A., and Servais, T. 2011. Phytoplankton dynamics across the Ordovician/Silurian boundary at low palaeolatitudes: Correlations with carbon isotopic and glacial events. Palaeogeography, Palaeoclimatology, Palaeoecology 312: 79-97.
De Vernal, A., Larouche, A., and Richard, P.J.H. 1987. Evaluation of palynomorph concentrations: the aliquot and the marker-grain methods yield comparable results? Pollen et Spores 29: 291-303.
Deunff, J. 1954. Sur un microplancton du Dévonien du Canada recélant des types nouveaux d'Hystrichosphaeridés. Comptes rendus des séances de l'Académie des sciences 239: 1064-1066.
Deunff, J. 1959. Microorganismes planctoniques du primaire Armoricain. I.-Ordovicien du Veryhac'h (presqu'ile de Crozon). Bulletin de la Société géologique et mineralogique de Bretagne, nouvelle sér 2: 1-41.
Deunff, J. 1961. Quelques précisions concernant les Hystrichosphaeridées du Dévonien du Canada. Compte rendu sommaire des séances de la Société Géologique de France 8: 216-218.
Dorning, K.J. 1981. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. Review of Palaeobotany and Palynology 34: 175-203.
Downie, C. 1959. Hystrichospheres from the Silurian Wenlock Shale of England. Palaeontology 2: 56-71.
Downie, C. 1963. “Hystrichospheres” (acritarchs) and spores of the Wenlock Shales (Silurian) of Wenlock, England. Palaeontology 6: 625-652.
Eisenack, A. 1934. Neue Mikrofossilien des baltischen Silurs III und neue Mikrofossilien des böhmischen Silurs I. Palaeontologische Zeitschrift 16: 52-76.
Eisenack, A. 1938. Hystrichosphaerideen und verwandte Formen im baltischen Silur. Zeitschrift für Geschiebeforschungen und Flachlandsge-ologie 14: 1-30.
Eisenack, A. 1954. Hystrichosphären aus dem baltischen Gotlandium. Senckenbergiana Lethaea 34: 205-211.
Eisenack, A. 1955. Chitinozoen, Hystrichosphären und andere Mikrofossilien aus dem Beyrichia-Kalk. Senckenbergiana Lethaea 36: 157-188.
Eisenack, A. 1969. Zur Systematik einiger paláozoischer Hystrichosphären (Acritarcha) des baltischen Gebietes. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 133: 245-266.
Eisenack, A., Cramer, F.H., and Díez, M. del C.R. 1973. Katalog der fossi-len Dinoflagellaten, Hystrichosphären und verwandten Mikröfossilien. Band III Acritarcha 1. Teil. 1104 pp. E. Schweizerbart'sche Verlags-buchhandlung, Stuttgart.
Ferrero, J. 2006. Cicloestratigrafía del Silúro-Devónico de la Precordillera Central (San Juan) a partir de la utilización de parámetros Quimio estratigráficos. 156 pp. Unpublished Thesis, Facultad de Ciencias Ex-actas, Físicas y Naturales, Departamento de Geología Aplicada, Universidad Nacional de Córdoba, Córdoba.
Filipiak, P. and Zatoń, M. 2011. Plant and animal cuticle remains from the Lower Devonian of southern Poland and their palaeoenvironmental significance. Lethaia 44: 397-409.
García Muro, V.J. and Rubinstein, C.V. 2015. New biostratigraphic proposal for the Lower Palaeozoic Tucunuco Group (San Juan Precordillera, Argentina) based on marine and terrestrial palynomorphs. Ameghiniana 52: 265-285.
García Muro, V.J., Rubinstein, C.V., and Martínez, M.A. 2016. Palynology and palynofacies analysis of a Silurian (Llandovery-Wenlock) marine succession from the Precordillera of western Argentina: palaeobiogeographical and palaeoenvironmental significance. Marine Micropaleontology 126: 50-64.
García Muro, V.J., Rubinstein, C.V., and Steemans, P. 2014a. Palynological record of the Silurian/Devonian boundary in the Argentine Precordillera, western Gondwana. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 274: 25-42.
García Muro, V.J., Rubinstein, C.V., and Steemans, P. 2014b. Upper Silurian miospores from the Precordillera Argentina: biostratigraphic, palaeonvironmental and palaeogeographic implications. Geological Magazine 151: 472-490.
Hagström, J. 1997. Land-derived palynomorphs from the Silurian of Gotland, Sweden. GFF 119: 301-316.
Hünicken, M.A. and Sarmiento, G.N. 1988. Conodontes Ludlovianos de la Formación Los Espejos, Talacasto, provincia de San Juan, R. Argentina. 4ºCongreso Argentino de Paleontología y Bioestratigrafía (Mendoza), Actas 3: 225-233.
Jaglin, J.C. and Paris, F. 2002. Biostratigraphy, biodiversity and palaeogeography of late Silurian chitinozoans from A1-61 Borehole (north-western Libya). Review of Palaeobotany and Palynology 118: 335-358.
Jardiné, S., Combaz, A., Magloire, L., Peniguel, G., and Vachey, G. 1972. Acritarches du Silurien terminal et du Dévonien du Sahara Algérien. Comptes rendus 7e Congrès international de stratigraphie et de géologie du Carbonifère. Krefeld, August 1971: 295-311.
Jeppsson, L. 1990. An oceanic model for lithological and faunal changes tested on the Silurian record. Journal of the Geological Society 147: 663-674.
Jeppsson, L., Talent, J.A., Mawson, R., Simpson, A.J., Andrew, A.S., Calner, M., Whitford, D.J., Trotter, J.A., Sandström, O., and Caldon, H.J. 2007. High-resolution Late Silurian correlations between Gotland, Sweden, and the Broken River region, NE Australia: lithologies, conodonts and isotopes. Palaeogeography, Palaeoclimatology, Palaeoecology 245: 115-137.
Johnson, N.G. 1985. Early Silurian palynomorphs from the Tuscarora Formation in central Pennsylvania and their palaeobotanical and geological significance. Review of Palaeobotany and Palynology 45: 307-360.
Kimyai, A.1983. Palaeozoic microphytoplankton from South America. Revista Española de Micropaleontología 15: 415-426.
Kiryanov, V.V. [Kirânov, V.V.] 1978. Akritarhi silura Volyno-Podolii. 116 pp. Akademiâ Nauk Ukrainskoj SSR, Institut Geologičeskih Nauk, Kiev.
Lakova, I. and Göncüoğlu, M.C. 2005. Early Ludlovian (early Late Silurian) palynomorphs from the Palaeozoic of Camdag, NW Anatolia, Turkey. Journal of the Earth Sciences Application and Research Centre of Hac-ettepe University 26: 61-73.
Le Hérissé, A. 1989. Acritarches et kystes d'algues Prasinophycées du Silurien de Gotland, Suède. Palaeontographia Italica 76: 57-302.
Le Hérissé, A. 2000. Characteristics of the acritarch recovery in the early Silurian of Saudi Arabia. In: S. Al-Hajri and B. Owens (eds), Stratigraphic Palynology of the Palaeozoic of Saudi Arabia. Special GeoArabia Publication 1, 57-81. Gulf PetroLink, Bahrain.
Le Hérissé, A. 2002. Paleoecology, biostratigraphy and biogeoraphy of late Silurian to early Devonian acritarchs and prasinophyceanphycomata in well A1-61, Western Libya, North Africa. Review of Palaeobotany and Palynology 118: 359-395.
Le Hérissé, A. and Gourvennec, R. 1995. Biogeography of upper Llandovery and Wenlock acritarchs. Review of Palaeobotany and Palynology 86: 111-133.
Le Hérissé, A., Al-Tayyar, H., and Eem, H. van der 1995. Stratigraphic and paleogeographical significance of Silurian acritachs from Saudia Arabia. Review of Palaeobotany and Palynology 89: 49-74.
Le Hérissé, A., Gourvennec, R., and Wicander, R. 1997. Biogeography of late Silurian and Devonian acritarchs and prasinophytes. Review of Palaeobotany and Palynology 98: 105-124.
Le Hérissé, A., Mullins, G.L., Dorning, K.J., and Wicander, R. 2009. Global patterns of the organic-walled phytoplankton biodiversity during the late Silurian to earliest Devonian. Palynology 33: 25-75.
Le Hérissé, A., Paris, F., and Steemans, P. 2013. Late Ordovician-earliest Silurian palynomorphs from northern Chad and correlation with contemporaneous deposits of southeastern Libya. Bulletin of Geosciences 88: 483-504.
Lehnert, O., Eriksson, M.J., Calner, M., Joachimski, M., and Buggisch, W. 2007a. Concurrent sedimentary and isotopic indications for global climatic cooling in the Late Silurian. Acta Palaeontologica Sinica 46: 249-255.
Lehnert, O., Frýda, J., Buggisch, W., Munnecke, A., Nützel, A., Křiž, J., and Manda, S. 2007b. δ 13 C records across the late Silurian Lau event: new data from middle palaeo-latitudes of northern peri-Gondwana (Prague Basin, Czech Republic). Palaeogeography, Palaeoclimatology, Palaeoecology 245: 227-244.
Li, J., Servais,T., Yan, K., and Zhu, H. 2004.Anearshore-offshore trend in the acritarch distribution of the Early-Middle Ordovician of the Yangtze Platform, South China. Review of Palaeobotany and Palynology 130: 141-161.
Lister, T.R. 1970. The acritarchs and chitinozoa from the Wenlock and Ludlow Series of the Ludlow and Millchope areas, Shropshire. Palae-ontographical Society Monographs, London 1: 1-100.
Loeblich, A.R. Jr. 1970. Morphology, ultrastructure and distribution of Paleozoic acritarchs. Proceedings of the North American Paleontological Convention, Chicago, Part G 2: 705-788.
Loeblich, A.R. Jr. and Drugg, W.S. 1968. New acritarchs from the Early Devonian (Late Gedinnian) Haragan Formation of Oklahoma, U.S.A. Tulane Studies in Geology 6: 129-137.
Loeblich, A.R. Jr. and Tappan, H. 1976. Some new and revised organic-walled phytoplankton microfossil genera. Journal of Paleontology 50: 301-308.
Loeblich, A.R. Jr. and Wicander, R. 1976. Organic-walled microplankton from the Lower Devonian, late Gedinnian Haragan and Bois d'arc formations of Oklahoma, USA. Part I. Palaeontographica Abteilung B 159: 1-39.
Martin, F. 1966. Les Acritarches du sondage de la brasserie Lust, à Kortrijk (Courtrai) (Silurien belge). Bulletin de la Société belge de géologie, de paléontologie et d'hydrologie 74: 354-400.
Martin, F. 1973. Ordovicien supérieur et Silurien inférieur a Deerlijk (Belgique). Institut royal des sciences naturelles de Bélgique, Mémoire 174: 1-71.
Martin, F. 1978. Sur quelques Acritarches Llandoveriens de Cellon (Alpes Carniques Centrales, Autriche). Geologische Bundesanstalt, Verhand-lungen 2: 35-42.
Martinez-Macchiavello, J.C. 1968. Quelques Acritarches d'un échantillon du Dévonien Inférieur (Cordobés) de Blanquillo, Départment de Du-razno, Uruguay. Revue de micropaléontologie 11: 77-84.
McGregor, D.C. 1961. Spores with proximal radial pattern from the Devonian of Canada. Geological Survey of Canada Bulletin 76: 1-11.
McGregor, D.C. and Camfield, M. 1976. Upper Silurian? to Middle Devonian spores of the Moose River basin, Ontario. Geological Survey of Canada Bulletin 263: 1-63.
Mehlqvist, K., Larsson, K., and Vajda, V. 2014. Linking upper Silurian terrestrial and marine successions. Palynological study from Skåne, Sweden. Review of Palaeobotany and Palynology 202: 1-14.
Mehlqvist, K., Vajda, V., and Steemans, P. 2012. Early land plant spore assemblages from the Late Silurian of Skåne, Sweden. GFF 134: 133-144.
Miller, M.A., Playford, G., and Le Hérissé, A. 1997. Clypeolus,a new acritarch genus from the Ordovician and Silurian. Review of Palaeobotany and Palynology 98: 95-103.
Mullins, G.L. 2001. Acritarchs and prasinophyte algae of the Elton Group, Ludlow Series, of the type area. Monograph of the Palaeontographical Society 155: 1-154.
Mullins, G.L. 2004. Microplankton biostratigraphy of the Bringewood Group, Ludlow Series, Silurian, of the type area. Journal of Systematic Palaeontology 2: 163-205.
Munnecke, A., Calner, M., and Harper, D.A. 2010. How does sea level correlate with sea-water chemistry? A progress report from the Ordovician and Silurian. Palaeogeography, Palaeoclimatology, Palaeoecology 296: 213-216.
Munnecke, A., Samtleben, C., and Bickert, T. 2003. The Ireviken Event in the lower Silurian of Gotland, Sweden-relation to similar Palaeozoic and Proterozoic events. Palaeogeography, Palaeoclimatology, Palaeoecology 195: 99-124.
Naumova, S.N. 1953. Spore-pollen assemblages of the Upper Devonian of the Russian Platform and their stratigraphic value [in Russian]. Akademiâ nauk SSSR, Geologičeskij institut (Geologičeskiâ seriâ) 60: 1-154.
Playford, G. 1977. Lower to Middle Devonian acritarchs of the Moose River Basin, Ontario. Geological Survey of Canada, Bulletin 279: 1-87.
Porębska, E., Kozłowska-Dawidziuk, A., and Masiak, M. 2004. The lund-greni event in the Silurian of the East European Platform, Poland. Palaeogeography, Palaeoclimatology, Palaeoecology 213: 271-294.
Pöthe de Baldis, E.D. 1971. Microplancton del Silurico superior de la Provincia de Santiago del Estero, Republica Argentina. Ameghiniana 8: 282-290.
Pöthe de Baldis, E.D. 1974a. Microplancton adicional del Silúrico Superior de Santiago del Estero, República Argentina. Ameghiniana 4: 313-327.
Pöthe de Baldis, E.D. 1974b. Microplancton de la Formación Los Espejos, Provincia de San Juan, República Argentina. Revista Española de Micropaleontología 7: 507-518.
Pöthe de Baldis, E.D. 1977. Paleomicroplancton adicional del Devonico inferior de Uruguay. Revista española de micropaleontologia 9: 235-250.
Pöthe de Baldis, E.D. 1981. Paleomicroplancton y mioesporas del Ludlo-viano Inferior de la Formación Los Espejos en el perfil Los Azulejitos, en la Provincia de San Juan, República Argentina. Revista Española de Micropaleontología 13: 231-265.
Pöthe de Baldis, E.D. 1998. Acritarcas de la Formación Los Espejos (Silúrico superior) del perfil Aguadas de los Azulejitos, San Juan, Argentina. Revista Española de Micropaleontología 30: 1-18.
Racheboeuf, P.R., Casier, J.G., Plusquellec, Y., Toro, M., Mendoza, D., Pires de Carvalho, M. da G., Le Hérissé, A., Paris, F., Fernández-Martínez, E., Tourneur, F., Broutin, J., Crasquin, S., and Janvier, P. 2012. New data on the Silurian-Devonian palaeontology and biostratigraphy of Bolivia. Bulletin of Geosciences 87: 269-314.
Richards, R.E. and Mullins, G.L. 2003. Upper Silurian microplankton of the Leinwardine Group, Ludlow Series, in the type Ludlow area and adjacent regions. Palaeontology 46: 557-611.
Richardson, J.B. and Ioannides, N.S. 1979. Emphanispoirites splendens, a new name for Emphanisporites pseudoerraticus Richardson & Ioannides, 1973 (preoccupied). Micropaleontology 25: 111.
Richardson, J.B. and Ioannides, N. 1973. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. Micropaleontology 19: 257-307.
Richardson, J.B. and Lister, T.R. 1969. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and south Wales. Palaeontology 12: 201-252.
Richardson, J.B. and Rasul, S.M. 1990. Palynofacies in a Late Silurian regressive sequence in the Welsh Borderland and Wales. Journal of the Geological Society 147: 675-686.
Richardson, J.B., Rasul, S.M., and Al-Ameri, T. 1981. Acritarchs, miospores and correlation of the Ludlovian-Downtonian and Silurian-Devonian boundaries. Review of Palaeobotany and Palynology 34: 209-224.
Richardson, J.B., Rodríguez, R.M., and Sutherland, S.J.E. 2001. Palynological zonation of Mid-Palaeozoic sequences from the Cantabrian Mountains, NW Spain: implications for inter-regional and interfacies correlation of the Ludford/Prídolí and Silurian/Devonian boundaries, and plant dispersal patterns. Bulletin of the Natural History Museum, Geology 57: 115-62.
Rickards, R.B., Brussa, E.D., Toro, B., and Ortega, G. 1996. Ordovician and Silurian graptolite assemblages from Cerro del Fuerte, San Juan Province, Argentina. Geological Journal 31: 101-122.
Rodrigues, M.A.C. and Cardoso, T.R.M. 2005. Acritarcos anormais: um caso teratológico no limite Llandovery/Wenlock na Bacia do Amazonas, Brasil. Arquivos do Museu Nacional, Rio de Janeiro 63: 385-393.
Rodríguez González, R.M. 1978. Mioesporas de la Formación San Pedro/ Furada (Silúrico Superior-Devónico Inferior), Cordillera Cantábrica, NO de España. Palinologia, Número Extraordinario 1: 407-433.
Rodríguez González, R.M. 1983. Palinología de las formaciones del Silúrico Superior-Devónico Inferior de la Cordillera Cantábrica, noroeste de España. 231 pp. Thesis Universidad de León, León.
Rubinstein, C.V. 1992a. Palinología del Silúrico Superior (Formación Los Espejos) de la Quebrada de Las Aguaditas, Precordillera de San Juan, Argentina. Ameghiniana 29: 231-248.
Rubinstein, C.V. 1992b. Palinología del Silúrico superior (Formación Los Espejos) de Loma de los Piojos, Precordillera de San Juan, Argentina. Ameghiniana 29: 287-303.
Rubinstein, C.V. 1993. Acritarchs from the upper Silurian of San Juan, Argentina: biostratigraphy and paleobiogeography. Special Paper in Palaeontology 48: 67-78.
Rubinstein, C.V. 1995. Acritarchs from the upper Silurian of Argentina: their relationship with Gondwana. Journal of South American Earth Sciences 8: 103-115.
Rubinstein, C.V. and Brussa, E.D. 1999. A palynomorph and graptolite biostratigraphy of the Central Precordillera Silurian basin, Argentina. Bolletino della Società Paleontologica Italiana 38: 257-266.
Rubinstein, C.V. and García Muro, V.J. 2011. Fitoplancton marino de pared orgánica y mioesporas silúricos de la Formación Los Espejos, en el perfil del Río de Las Chacritas, Precordillera de San Juan, Argentina. Ameghiniana 48: 618-641.
Rubinstein, C.V. and García Muro, V.J. 2013. Silurian to Early Devonian organic-walled phytoplankton and miospores from Argentina: biostratigraphy and diversity trends. Geological Journal 48: 270-283.
Rubinstein, C.V. and Steemans, P. 2002. Miospore assemblages from the Silurian-Devonian boundary, in borehole A1-61, Ghadamis Basin, Libya. Review of Palaeobotany and Palynology 118: 397-421.
Rubinstein, C.V., Le Hérissé, A., and Steemans, P. 2008. Lochkovian (Early Devonian) acritarchs and prasinophytes from the Solimões Basin, northwestern Brazil. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 249: 167-184.
Sánchez, T.M., Waisfeld, B.G., and Benedetto, J.L. 1991. Lithofacies, ta-phonomy, and brachiopod assemblages in the Silurian of western Argentina: a review of Malvinokaffric realm communities. Journal of South America Earth Sciences 4: 307-329.
Sánchez, M.T., Waisfeld, B.G., and Toro, B.A. 1995. Silurian and Devonian molluscan bivalves from Precordillera Region, Western Argentina. Journal of Palaeontology 69: 869-886.
Sarjeant, W.A.S. and Stancliffe, R.P.W. 1994. The Micrhystridium and Veryhachium complexes (Acritarcha: Acanthomorphitae and Polygonomor-phitae): a taxonomic reconsideration. Micropaleontology 40: 1-77.
Sarjeant, W.A.S. and Stancliffe, R.P.W. 1996. The acritarch genus Polygonium, Vavrdová emend Sarjeant and Stancliffe 1994: a reassessment of its constituent species. Annales de la Société géologique de Belgique 117: 355-369.
Sarjeant, W.A.S. and Vavrdová, M. 1997. Taxonomic reconsideration of Multiplicisphaeridium Staplin, 1961 and other acritarch genera with branching processes. Geolines 5: 1-52.
Schultz, G. 1967. Mikrofossilien des oberen Llandovery von Dalarne (Schweden). Kölner Geologische Hefte 13: 175-187.
Servais, T., Vecoli, M., Li, J., Molyneux, S.G., Raevskaya, E.G., and Rubinstein, C.V. 2007. The acritarch genus Veryhachium Deunff 1954: taxonomic evaluation and first appearance. Palynology 31: 191-203.
Spina, A. and Vecoli, M. 2009. Palynostratigraphy and vegetational changes in the Siluro-Devonian of the Ghadamis Basin, North Africa. Palaeogeography, Palaeoclimatology, Palaeoecology 282: 1-18.
Staplin, F.L. 1961. Reef-controlled distribution of Devonian microplankton in Alberta. Palaeontology 4: 392-424.
Steemans, P. 1989. Palépgeographiede l'éodevonien ardennais et des regions limitrophes. Annales de la Société Géologique de Belgique 112: 103-119.
Steemans, P., Higgs, K.T., and Wellman, C.H. 2000. Cryptospores and trilete spores from the Llandovery, Nuayyim-2 Borehole, Saudi Arabia. In: S. Al-Hajri and B. Owens (eds.), Stratigraphic Palynology of the Palaeozoic of Saudi Arabia, Special GeoArabia Publication 1, 92-115. Gulf PetroLink, Bahrain.
Steemans, P., Le Hérissé, A., and Bozdogan, N. 1996. Ordovician and Silurian cryptospores and miospores from southeastern Turkey. Review of Palaeobotany and Palynology 93: 35-76.
Steemans, P., Rubinstein, C.V.,and de Melo, J.H.G. 2008. Siluro-Devonian miospore biostratigraphy of the Urubu River area, western Amazon Basin, northern Brazil. Geobios 41: 263-282.
Steemans, P., Wellman, C.H., and Filatoff, J. 2007. Palaeophytogeographical and palaeoecological implications of a miospore assemblage of earliest Devonian (Lochkovian) age from Saudi Arabia. Palaeogeography, Palaeoclimatology, Palaeoecology 250: 237-254.
Stockmans, F. and Willière, Y. 1960. Hystrichosphères du Dévonien belge (Sondage de l'Asile d'aliénés à Tournai). Senckenbergiana Lethaea 41: 1-11.
Stockmans, F. and Willière, Y. 1963. Les Hystrichosphères ou mieux les Acritarches du Silurien Belge. Sondage de la Brasserie Lust à Courtrai (Kortrijk). Bulletin de la Société belge de Géologie, de Paléontologie et d'Hydrologie 71: 450-481.
Stricanne, L., Munnecke, A., and Pross, J. 2006. Assessing mechanisms of environmental change: Palynological signals across the Late Ludlow (Silurian) positive isotope excursion (δ 13 C, δ 18 O) on Gotland, Sweden. Palaeogeography, Palaeoclimatology, Palaeoecology 230: 1-31.
Stricanne, L., Munnecke, A., Pross, J., and Servais, T. 2004. Acritarch distribution along an inshore-offshore transect in the Gorstian (lower Ludlow) of Gotland, Sweden. Review of Palaeobotany and Palynology 130: 195-216.
Strother, P.K and Traverse, A. 1979. Plant microfossils from the Llandove-rian and Wenlock rocks of Pennsylvania. Palynology 3: 1-21.
Talent, J.A., Mawson, R., Andrew, A.S., Hamilton, P.J., and Whitford, D.J. 1993. Middle Palaeozoic extinction events: faunal and isotopic data. Palaeogeography, Palaeoclimatology, Palaeoecology 104: 139-152.
Tappan, H. and Loeblich, A.R. Jr. 1971. Surface sculpture of the wall in Lower Paleozoic acritarchs. Micropaleontology 17: 385-410.
Tchibrikova, E.V. [Čibrikova, E.V.] 1959. Spory iz devonskih i bolee drevnih otloženii Baškirii. 247 pp. Akademiâ Nauk SSSR, Moskva.
Thusu, B. 1973a. Acritarches provenant de l'Ilion Shale (Wenlockian), Utica, New York. Revue de micropaléontologie 16: 137-146.
Thusu, B. 1973b. Acritarchs of the Middle Silurian Rochester Formation of southern Ontario. Palaeontology 16: 799-826.
Torsvik, T.H. 2009. BugPlates (IGCP 503): Linking Biogeography and Palaeogeography. Version 2002-2009. www.geodynamics.no.
Torsvik, T.H. and Cocks, L.R.M. 2004. Earth geography from 400 to 250 Ma: a palaeomagnetic, faunal and facies review. Journal of the Geological Society 161: 555-572.
Traverse, A. 2007. Paleopalynology. Second Edition. 813 pp. Springer, Dordrecht.
Vandenbroucke, T.R., Emsbo, P., Munnecke, A., Nuns, N., Duponchel, L., Lepot, K., Quijada, M., Paris, F., Servais, T., and Kiessling, W. 2015. Metal-induced malformations in early Palaeozoic plankton are harbingers of mass extinction. Nature Communications 6: 7966.
Vecoli, M., Riboulleau, A., and Versteegh, G.J.M. 2009. Palynology, organic geochemistry and carbon isotope analysis of a latest Ordovician through Silurian clastic succession from borehole Tt1, Ghadamis Basin, southern Tunisia, North Africa: Palaeoenvironmental interpretation. Palaeogeography, Palaeoclimatology, Palaeoecology 273: 378-394.
Versteegh, G.J.M. and Riboulleau, A. 2010. An organic geochemical perspective on terrestrialization. Geological Society, London, Special Publication 339: 11-36.
Vigran, J.O. 1964. Spores from Devonian deposits, Mimerdalen, Spitsbergen. Norsk Polarinstitutt, Skrifter 132: 1-30.
Wellman, C.H. 1993. A land plant microfossil assemblage of Mid Silurian age from the Stonehaven Group, Scotland. Journal of Micropalaeon-tology 12: 47-66.
Wellman, C.H. and Richardson, J.B. 1993. Terrestrial plant microfossils from Silurian inliers of the Midland Valley of Scotland. Palaeontology 36: 155-155.
Wellman, C.H. and Richardson, J.B. 1996. Sporomorph assemblages from the “Lower Old Red Sandstone” of Lorne, Scotland. Special Papers in Palaeontology 55: 41-102.
Wellman, C.H., Higgs, K.T., and Steemans, P. 2000. Spore assemblages from a Silurian sequence in Borehole Hawiyah-151 from Saudi Arabia. In: S. Al-Hajri and B. Owens (eds.), Stratigraphic Palynology of the Palaeozoic of Saudi Arabia. Special GeoArabia Publication 1, 116-133. Gulf PetroLink, Bahrain.
Wellman, C.H, Steemans, P., and Miller, M.A. 2015. Spore assemblages from Upper Ordovician and lowermost Silurian sediments recovered from the Qusaiba-1 shallow core hole, Qasim region, central Saudi Arabia. Review of Palaeobotany and Palynology 212: 111-126.
Wellman, C.H., Steemans, P., and Vecoli, M. 2013. Palaeophytogeography of Ordovician-Silurian land plants. Geological Society, London, Memoirs 38: 461-476.
