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Taxonomy
Trigoniocardia (Goniacardia) was named by Woodring (1982) [I originally assigned this name to Stewart (1930) for some reason. Described by Woodring (1982), p. 644 without a doubt!]. Its type is Cardium (Fragum) callopleurum.
It was reranked as Goniacardia by Sepkoski (2002).
It was assigned to Trigoniocardia by Woodring (1982) and Vokes (1989); and to Veneroida by Sepkoski (2002).
It was reranked as Goniacardia by Sepkoski (2002).
It was assigned to Trigoniocardia by Woodring (1982) and Vokes (1989); and to Veneroida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Subg. †Trigoniocardia (Goniacardia) Woodring 1982
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†Trigoniocardia (Goniacardia) callopleurum Gabb 1881
†Trigoniocardia (Goniacardia) melajoensis Jung 1969
Diagnosis
No diagnoses are available