Classification of Schrammen 1912

G. Aphrocallistes Gray 1858
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Aphrocallistes lobatus Schrammen 1912
G. †Botryosella Schrammen 1912
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Botryosella labyrinthica Schrammen 1912
G. †Craticularia Zittel 1877
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Craticularia relicta Schrammen 1912
Craticularia roemeri Schrammen 1912
Craticularia virgatula Schrammen 1912
G. Eurete Semper 1868
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Eurete rauffi Schrammen 1912
G. Farrea Bowerbank 1862
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Farrea clarkei Schrammen 1912
Farrea halli Schrammen 1912
G. †Habrosium Schrammen 1912
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Habrosium convolutum Schrammen 1912
G. Hexactinella Carter 1885
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Hexactinella laevis Schrammen 1912
G. †Leptophragma Zittel 1877
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Leptophragma micropora Schrammen 1912
G. †Oxyrhizium Schrammen 1912
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Oxyrhizium eximium Schrammen 1912
G. Pleurochorium Schrammen 1912
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Pleurochorium schulzei Schrammen 1912
G. †Polystigmatium Schrammen 1912
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G. †Polythyris Schrammen 1912
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Polythyris cuneata Schrammen 1912
G. †Ptychodesia Schrammen 1912
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Ptychodesia papillata Schrammen 1912
G. †Stichmaptyx Schrammen 1912
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Stichmaptyx alatus Schrammen 1912
G. Tretodictyum Schulze 1887
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Tretodictyum loeschmanni Schrammen 1912
Tretodictyum pfaffi Schrammen 1912
G. †Wollemannia Schrammen 1912
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Wollemannia araneosa Schrammen 1912
G. †Becksia Schlüter 1868
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Becksia arborea Schrammen 1912
Becksia crispata Quenstedt 1877
Becksia feuerwehri Schrammen 1912
Becksia nidiformis Leonhard 1897
G. †Bolitesia Schrammen 1912
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Bolitesia mirabilis Schrammen 1912
G. †Callicylix Schrammen 1912
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Callicylix farreides Schrammen 1912
G. †Callodictyon Zittel 1877
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Callodictyon fragile Roemer 1841
G. †Calyptrella Schrammen 1912
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Calyptrella bertae Schrammen 1912
G. †Cameroptychium Leonhard 1897
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Cameroptychium planum Schrammen 1912
G. †Camerospongia d'Orbigny 1849
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Camerospongia pervia Schrammen 1912
G. †Cinclidella Schrammen 1912
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Cinclidella solitaria Schrammen 1912
G. †Cyclostigma Schrammen 1912
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Cyclostigma lobata Schrammen 1912
Cyclostigma maeandrina Schrammen 1912
G. †Cystispongia Roemer 1864
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Cystispongia monostoma Schrammen 1912
G. †Hapalopegma Schrammen 1912
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Hapalopegma fragilis Schrammen 1912
Hapalopegma maeandrina Schrammen 1912
G. Lefroyella Thomson 1877
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Lefroyella favoidea Schrammen 1912
G. †Leiostracosia Schrammen 1902
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Leiostracosia alcyonoides Mantell 1822
Leiostracosia angustata Roemer 1841
Leiostracosia brandesi Schrammen 1912
Leiostracosia robusta Schrammen 1902
G. †Lepidospongia Roemer 1864
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Lepidospongia inermis Schrammen 1912
G. †Marshallia Zittel 1877
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Marshallia frechi Schrammen 1912
G. †Myrmecioptychium Schrammen 1912
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Myrmecioptychium bodei Schrammen 1912
G. †Oncotoechus Schrammen 1912
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Oncotoechus cavernosus Schrammen 1912
G. †Plectascus Schrammen 1912
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Plectascus clathratus Roemer 1864
Plectascus labrosus Smith 1848
G. †Pleuropyge Schrammen 1912
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Pleuropyge plana Schrammen 1912
G. †Plocoscyphia Reuss 1846
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Plocoscyphia centuncula Schrammen 1912
Plocoscyphia maaki Schrammen 1912
G. †Sarophora Schrammen 1912
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Sarophora armata Schrammen 1912
G. Scleroplegma Schmidt 1880
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Scleroplegma macrochorium Schrammen 1912
G. †Sporadoscinia Pomel 1872
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Sporadoscinia quenstedti Schrammen 1912
Sporadoscinia stirps Schrammen 1912
Sporadoscinia teutoniae Schrammen 1912
G. †Toulminia Zittel 1877
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Toulminia benettiae Mantell 1822
Toulminia compressa Schrammen 1912
Toulminia wollemanni Schrammen 1912
G. †Tremabolites Zittel 1877
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Tremabolites leonhardi Schrammen 1912
G. †Ventriculites Mantell 1822
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Ventriculites cylindratus Schrammen 1912
Ventriculites fistulosus Schrammen 1912
G. †Regadrella Schmidt 1880
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Regadrella petrijacobi Schrammen 1912
G. †Rhizopoterion Zittel 1877
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Rhizopoterion solidum Schrammen 1912
Rhizopoterion tubiforme Schrammen 1912
G. Periphragella Marshall 1875
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Periphragella johannae Schrammen 1912
Periphragella simplex Schrammen 1912
G. Chonelasma Schulze 1886
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Chonelasma hindei Schrammen 1912
Chonelasma punctata Schrammen 1912
G. Auloplax Schulze 1904
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Auloplax spongiosus Schrammen 1912
G. †Stereochlamis Schrammen 1912
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Stereochlamis caliculum Schrammen 1912
Stereochlamis pilosa Schrammen 1912
Stereochlamis praecissa Schrammen 1912
G. †Guettardia Michelin 1847
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Guettardia bisalata Schrammen 1912
Guettardia striata Schrammen 1912
G. †Callibrochis Schrammen 1912
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Callibrochis senonensis Schrammen 1902
G. †Pleurothyris Schrammen 1912
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Pleurothyris folium Schrammen 1912
Pleurothyris tortuosa Schrammen 1912
G. †Syringium Schrammen 1912
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Syringium textum Schrammen 1912
G. †Napaea Schrammen 1912
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Napaea micropora Schrammen 1912
Invalid names: Eudictyon Schrammen 1902 [replaced]
G. †Actinocyclus Schrammen 1912
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Actinocyclus alternans Roemer 1841
Actinocyclus mirus Schrammen 1912
G. †Phalacrus Schrammen 1912
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Phalacrus decurrens Schrammen 1912
Phalacrus flosculus Schrammen 1912
Phalacrus hemisphaericus Schrammen 1912
Invalid names: Ornatus [replaced]