Classification of the genus Neotrigonia
G. Neotrigonia Cossmann 1912
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Subg. †Neotrigonia (Callitrigonia)
†Neotrigonia acuticostata McCoy 1866
†Neotrigonia bednalli Verco 1907
†Neotrigonia gemma Iredale 1924
†Neotrigonia kaiyomaruae Habe 1976
†Neotrigonia lamarckii Gray 1838
†Neotrigonia margaritacea Lamarck 1804
Neotrigonia pectinata Lamarck 1819
†Neotrigonia strangei Adams 1854
†Neotrigonia uniophora Gray 1847