Anstey R. L. & Perry T.G. (1970) - Biometric procedures in taxonomic studies of Paleozoic bryozoans. J. Paleon- tol., 44 (2): 383-398.
Astrova G.G. (1964) - Bryozoa of the Borschov and Chort- kov horizons of Podolia. Trudy Trudy Paleontol. Inst. Akad. Nauk SSSR, 98: 1-53 [in Russian], .
Astrova G.G. (1965) - Morphology, history of development and systematics of the Ordovician and Silurian Bryozoa. Trudy Trudy Paleontol. Inst. Akad. Nauk SSSR, 106: 1-432 [in Russian].
Astrova G.G. (1972) - Some Devonian Bryozoa from western Canada. Proc. Geol. Ass. Canada, 24 (2): 75-86.
Astrova G.G. (1978) - the history of development, systematics, and phylogeny of the Bryozoa: Order Treposto- mata. Trudy Paleontol. Inst. Akad. Nauk SSSR, 169: 1-240 [in Russian].
Astrova G.G. & Morozova I.P. (1956) - About systematics of the order Cryptostomata. Doklady Akad. Nauk SSSR, 110 (4): 661-664, Moscow [in Russian].
Bassler R.S. (1952) - taxonomic notes on genera of fossil and Recent Bryozoa. J. Washington Acad. Science, 42: 381- 385.
Belanger I., Delaby S., Delcambre B., Ghysel P., Hennebert M., Laloux M., Marion J. M., Mottequin B. & Pingot J.-L. (2012) - Redefinition des unites structurales du front varisque utilisees dans le cadre de la nouvelle Carte geologique de Wallonie (Belgique). Geologica Belgica, 15: 169-175.
Bigey F.P. (1980) - Bryozoaires et environnement recifal dans le Devonien franais. Acta Palaeontol. Pol., 25: 645-654.
Bigey F.P. (1985) - Biogeography of Devonian Bryozoa. In: Nielsen C. & Larwood G. P. (Eds) - Bryozoa: Ordovician to Recent: 9-23, Fredensborg.
Bigey F.P. (1988) - Bryozoaires du Givetien et du Frasnien de Ferques (Boulonnais, France). In: Brice D. (Ed) - Le Devonien de Ferques, Bas-Boulonnais (N. France); paleontologie, sedimentologie, stratigraphie, tectoni- que. Biostratigr. Pale'oz., 7: 297-323.
Bigey F.P. (1991) - Peculiar structures different from typical skeleton Bryozoa: possible relations to the polypide life cycle. In: Bigey F.P. & d'Hondt J.-L. (Eds) - Bryozoaires Actuels et Fossiles: Bryozoa Living and Fossil. Bull. Socie'te' Sci. Nat. Ouest France Mem. HS 1:25-38. Societe des Sciences Naturelles de l'Ouest de la France, Nantes.
Borg F. (1926) - Studies on Recent cyclostomatous Bryozoa. Zoologiska Bidragfrdn Uppsala, 10: 181-507.
Boulvain F., Bultynck P., Coen M., Coen-Aubert M., La-croix D., Laloux M., Casier J.G., Dejonghe L., Du-moulin V., Ghysel P., Godefroid J., Helsen S., Mour- Avieff N.A., Sartenaer P., Tourneur F. & Vanguestaine M. (1999) - Les formations du Frasnien de la Belgique. Mem. Geol. Survey Belgium, 44: 1-126.
Boulvain F., Coen-Aubert M., Da Silva A.C., Kershaw S., Tourneur F., Denayer J., Mottequin B. & Poty E. (2011) - Field trip 1: Givetian and Frasnian of Southern Belgium. Kolner Forum Geol. Paldontol., 20: 5-49.
Bultynck P., Helsen S. & Hayduckiewich J. (1998) - Con- odont succession and biofacies in upper Frasnian formations (Devonian) from the southern and central parts of the Dinant Synclinorium (Belgium) - (Timing of facies shifting and correlation with late Frasnian events). Bull. Inst, royal Sci. nat. Belgique, Sci. Terre, 68: 25-75.
Coen M., Coen-Aubert M. & Cornet P. (1976) - Distribution et extension stratigraphique des recifs a Phillipsatrea dans le Frasnien de l'Ardenne. Ann. Soc. Ge'ol. Nord, 46(4): 325-331.
Coen-Aubert M. (1974) - Representants des genres Phillip- sastrea D'Orbigny, A., 1849, Billingsastraea Grabau, A. W., 1917 et Iowaphyllum Stumm, E. C., 1949 du Frasnien du Massif de ma Vesdre et de la bordure orientale du bassin de Dinant. Bull. Inst, royal Sci. nat. Belgique, Sci. Terre, 49(8): 1-38.
Coen-Aubert M. (1982) - Rugueux solitaires du Frasnien de la Belgique. Bull. Inst, royal Sci. nat. Belgique, Sci. Terre, 54(6): 1-65.
Coen-Aubert M. (2012) - New species of Frechastraea Scrutton, 1968 at the base of the Late Frasnian in Belgium. In: Denayer J., Aretz M. & Poty E. (Eds) - Proceedings of the Xlth International Symposium on Fossil Cnidaria and Porifera, Liege 2011, Geologi- ca Belgica, 15: 265-272.
De Bethune, P. (1954) - Carte geologique de Belgique (echelle 1/500.000; planche 8). Atlas de Belgique. Academie royale de Belgique, Brussels.
Denayer J. & Poty E. (2010) - Facies and palaeoecology of the upper member of the Aisemont Formation (Late Frasnian, S. Belgium): An unusual episode within the Late Frasnian crisis. Geologica Belgica, 13: 197-212.
Desilly E. (1961) - Les Bryozoaires devoniens de la Belgique. Le genre Canutrypa Bassler. Bull. Inst, royal Sci. nat. Belgique, 37(9): 1-12.
Desilly E. (1967) - Les bryozoaires devoniens de la Belgique; la presence du genre 'Phylloporina' dans le Couvinien de la Belgique. Bull. Inst, royal Sci. nat. Belgique, 43: 1-16.
Dessilly E. & Krausel W. (1963) - Les Bryozoaires devoniens de la Belgique. Speotrypa, nouveau genre du Couvinien de la Belgique. Bull. Inst, royal Sci. nat. Belgique, 39(31): 1-12.
Dunaeva N.N. (1970) - Novyi vid roda Fistulipora iz sred- nego devona Peltchi [New species of the genus Fistulipora from the Middle Devonian of Peltscha]. In: Astrova G.G. & Chudinova I.I (Eds) - Novye vidy paleozojskikh mshanok i korallov [New species of bryozoans and corals]. 38-39, Nauka: Moscow [in Russian].
Dunaeva N.N. & Morozova I.P. (1975) - Revision of the Suborder Fenestelloidea. In: Pouyet S. (Ed) - Bryozoa 1974. Universite Claude Bernard, Lyon: 225-233.
Duncan H. (1939) - trepostomatous Bryozoa from the Traverse Group of Michigan. Contrib. Mus. Paleontol., Univer. Michigan, 5(10): 171-270.
D'Orbigny A. (1849) - Description de quelques genres nou- veaux de Mollusques bryozoaires. Revue Mag. Zool. pure appl., 2(1): 499-504.
Ehrenberg C.G. (1831) - Symbolae Physicae, seu Icones et descriptiones Corporum Naturalium novorum aut minus cognitorum, quae ex itineribus per Libyam, Aegiptum, Nubiam, Dongalaam, Syriam, Arabiam et Habessiniam, studia annis 1820-25, redirent. Pars Zoologica, 4, Animalia Evertebrata exclusis Insectis, Berlin.
Elias M.K. & Condra G.E. (1957) - Fenestella from the Permian of west Texas. Geol. Soc. America Mem., 70: 1-158.
Ernst A. (2008) - Non-fenestrate bryozoans from the Middle Devonian of the Eifel (western Rhenish Massif, Germany). Neues Jahr. Geol. Palaontol., Abh., 250(3): 313-379.
Ernst A. (2011) - Cryptostome (ptilodictyine and rhabdo- mesine) Bryozoa from the Lower Devonian of NW Spain. Palaeontographica A, 293(4-6): 147-183.
Ernst A. & Schroeder S. (2007) - Stenolaemate bryozoans from the Middle Devonian of the Rhenish Slate Massif (Eifel, Germany). Neues Jahr. Geol. Palaontol., Abh., 246(2): 205-233.
Ernst A. & Konigshof P. (2010) - Bryozoan fauna and microfacies from a Middle Devonian reef complex (Western Sahara, Morocco). Abh. Senckenber. Naturforsch. Gesell., 568: 1-91.
Ernst A., Dorsch T. & Keller M. (2011a) - A bryozoan fauna from the Santa Lucia Formation (Lower-Middle Devonian) of Abelgas, Cantabrian Mountains, NW- Spain. Facies, 57: 301-329.
Ernst A., Konigshof P., Taylor P. & Bohaty J. (2011b) - Microhabitat complexity - An example from Middle Devonian bryozoan-rich sediments. Palaeobiodiv. Palaeoenv., 91: 257-284.
Ernst A., Tolokonnikova Z. & Yarahmadzahi H. (2012) - Upper Devonian (Frasnian) Bryozoa from the Shishtu Formation of Niaz area (northeast Iran). Rev. Paleo- biol., 31(1): 1-14.
Fritz M.A. (1938) - Devonian Bryozoa of Gaspe. Bull. Am. Paleontol. 24(80): 87-100.
Fritz M.A. (1944) - Upper Devonian Bryozoa from New Mexico. J. Paleontol., 18(1): 31-41.
Gorjunova R.V. (1975) - Permian bryozoans of the Pamir. Trudy Paleontol. Inst. Akad. Nauk SSSR, 148: 1-125 [in Russian].
Gouwy S. & Bultynck P. (2000) - Graphic correlation of Frasnian sections (Upper Devonian) in the Ardennes, Belgium. Bull. Inst, royal Sci. nat. Belgique, Sci. Terre, 70: 25-52.
Hageman S.J. (1991) - Approaches to systematic and evolutionary studies of perplexing groups: An example using fenestrate Bryozoa. J. Paleontol., 65(4): 630-647.
Hageman S.J. (1993) - Effects of nonnormality on studies of the morphological variation of a rhabdomesine bryozoan, Streblotrypa (Streblascopora) prisca (Gabb & Horn). Univer. Kansas Paleontol. Contrib., 4: 1-13.
Hall J. (1884) - Descriptions of the bryozoans of the Hamilton Group. Report of the State Geologist for the year 1883: 5-61, Albany.
Hu Z. (1980) - Some trepostomatous bryozoa from Early Middle Devonian of Guizhou. Acta Palaeontol. Sinica 19(4): 289-295.
Lavrentjeva V.D. (1997) - New bifoliate bryozoans of the order Trepostomida. Paleontol. Z, 4: 22-26.
M'Coy F. (1849) - On some new genera and species of Palaeozoic corals and Foraminifera. Ann. Mag. Nat. Hist., 3: 119-136.
Miller S.A. (1889) - North American Geology and Paleontology. Western Methodist Book concern, Cincinnati, 664 p.
Morozova I.P. (1959) - New genus of the Family Fistulipori- dae from the Devonian of Kuznetz Basin. Trudy Paleontol. Inst. Akad. Nauk SSSR, 2: 79-81 [in Russian].
Morozova LP. (1961) - Devonian Bryozoa of the Minusinsk and Kuznetsk depressions. Trudy Paleontol. Inst. Akad. Nauk SSSR, 86: 1-207 [in Russian].
Morozova I.P., Weis O. & Racki G. (2002) - Emergence and extinction of the Givetian to Frasnian bryozoan faunas in the Kostomloty facies zone, Holy Cross Mountains, Poland. Acta Palaeontol. Pol., 47(2): 307-317.
Mottequin B. (2008a) - Late Middle to Late Frasnian Atrypida, Pentamerida, and Terebratulida (Brachiopoda) from southern Belgium. Geobios, 41: 493-513.
Mottequin B. (2008b) - New observations on Upper Devonian brachiopods from the Namur-Dinant Basin (Belgium). Geodiversitas, 30: 455-537.
Mottequin B. & Poty E. (submitted) - Kellwasser horizons, sea-level changes and brachiopod-coral crises during the Late Frasnian in the Namur-Dinant Basin (southern Belgium): A synopsis. Geol. Soc., London, Sp. Pub.
Nicholson H.A. (1874) - Descriptions of new fossils from the Devonian Formation of Canada West. Geol. Mag., Dec. 2, 1(2): 51-96.
Nickles J.M. & Bassler R.S. (1900) - A synopsis of American fossil Bryozoa, including bibliography and synonymy. USA Geol. Survey Bull., 173: 1-663.
Poty E. &; Chevalier E. (2007) - Late Frasnian phillipsastreid biostromes in Belgium. In: Alvaro J.J., Aretz M., Boulvain F., Munnecke A., Vachard D. & Vennin E. (Eds) - Palaeozoic reefs and bioaccumulations: climatic and evolutionary controls. Geol. Soc., London, Sp. Pub., 275: 143-161.
Simpson G.B. (1897) - A handbook of the genera of the North American Paleozoic Bryozoa. 14th Annual Report of the State Geologist (of New York) for the year 1894: 407-608.
Snyder E.M. (1991) - Revised taxonomic procedures and paleoecological applications for some North American Mississippian Fenestellidae and Polyporidae (Bryozoa). Palaeontographica Americana, 57: 1-191.
Trizna V.B. (1958) - Rannekamennougolnye mshanki Kuz- netzkoi kotloviny [Early Carboniferous bryozoans of the Kuznetsk depression]. Microfauna of the USSR, Trudy VNIGRI, 179th ed., 122: 1-433 [in Russian].
Ulrich E.O. (1882) - American Palaeozoic Bryozoa. J. Cincinnati Soc. Nat. Hist., 5: 125-175, 232-257.
Ulrich E.O. (1883) - American Palaeozoic Bryozoa. J. Cincinnati Soc. Nat. Hist., 6: 82-92; 148-168; 245-279.
Utgaard J. (1983) - Systematic descriptions for the Order Cystoporata. In: R.A. Robison (Ed.) - Bryozoa. Treatise on Invertebrate Paleontology Part G, Revised: 358-439. Geol. Soc. America Univ. Kansas, Boulder and Lawrence.
Vinassa de Regny, P. (1921) - Sulla classificazione dei trepo- stomidi. Soc. It. Sci. Nat. Atti, 59: 212-231.
Vine G.R. (1884) - Fourth report of the Committee consisting of Dr. H. R. Sorby and Mr. G. R. Vine, appointed for the purpose of reporting on fossil Polyzoa. In: Reports of the 53rd Meeting of the British Association for the Advancement in Sciences: 161-209.
Volkova K.N. (1974) - Devonian Bryozoa from the southeast Altai. Trudy instituta geologii i geofiziki, sibirskoe otdelenie, 199: 1-182 [in Russian].
Yang J. (1954) - Some bryozoans from the Upper Devonian of Changyang, western Hupeh. Acta paleontol. sinica, 12: 26-33 [in Chinese].
Yang J. & Lu L. (1962) - Paleozoic Bryozoans of Qilianshan. Geol. Qilianshan, 4 (5): 1-114 [in Chinese].
Yang J., Hu Z. & Xia F. (1988) - Bryozoans from Late Devonian and Early Carboniferous of central Hunan. Palaeontol. Sinica, 174, New Series B, 23: 1-198.