Classification of the family Catillicephalidae

Fm. †Catillicephalidae Raymond 1938
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G. †Acheilops Ulrich 1931
G. †Buttsia Wilson 1951
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†Buttsia globosa Lu and Lin 1987
†Buttsia inexpectata Fortey 1980
†Buttsia parvula Khramova 1977
G. †Calculites Fortey 1983
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†Calculites microps Rasetti 1944
†Calculites stevensi Fortey 1983
G. †Catillicephala Raymond 1937
G. †Cryptoderaspis Rasetti 1946
G. †Distazeris Raymond 1937
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G. †Agelagma Opik 1967
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Invalid names: Paradistazeris Zhang et al. 1980 [synonym]
†Distazeris hunanensis Peng 1987
G. †Galeaspis Ivshin 1955
G. †Lajishanaspis Chu 1979
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G. †Madarocephalus Resser 1938
G. †Matania Rasetti 1946
G. †Onchonotellus Lermontova 1956
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†Onchonotellus abnormis Ivshin 1956
†Onchonotellus fenghuangensis Duan et al. 1999
†Onchonotellus perlatus Ivshin 1962
†Onchonotellus privus Rozova 1968
†Onchonotellus tchecurensis Lazarenko 1966
Invalid names: Onchonotina Lu 1964 [synonym], Seletella Ivshin 1955 [synonym]
G. †Onchonotopsis Rasetti 1946
G. †Onchonotus Raymond 1924
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†Onchonotus convexus Rasetti 1944
†Onchonotus globosus Billings 1860
†Onchonotus granulatus Rasetti 1944
†Onchonotus nasutus Walcott 1911
†Onchonotus richardsoni Walcott 1911
G. †Pemphigaspis Hall 1863
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Invalid names: Hallaspis Raasch and Lochman 1943 [synonym]
G. †Peracheilus Ludvigsen 1986
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†Peracheilus marcoui Raymond 1924
†Peracheilus spinosus Rasetti 1945
Invalid names: Acheilus Clark 1924 [replaced]
G. †Theodenisia Clark 1948
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†Theodenisia paulula Khramova 1977
Invalid names: Mannschreekia Stitt 1983 [synonym]
G. †Triarthropsis Ulrich 1931
G. †Tumidulaspis Romanenko 1967
G. †Tuojiangella Duan et al. 1999
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†Tuojiangella tuojiangensis Duan et al. 1999
G. †Urbanaspis Ivshin 1953
G. †Welleraspis Kobayashi 1935
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†Welleraspis jerseyensis Weller 1990
Invalid names: Avonaspis Lochman 1940 [synonym]
G. †Yukonaspis Kobayashi 1936