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Heterotrigonia
Taxonomy
Heterotrigonia was named by Cox (1952) [Sepkoski's age data: J Kimm K Ceno]. It is not extant.
It was assigned to Trigoniidae by Cox (1952); to Trigonioida by Sepkoski (2002); and to Heterotrigoniina by Bouchet et al. (2010).
It was assigned to Trigoniidae by Cox (1952); to Trigonioida by Sepkoski (2002); and to Heterotrigoniina by Bouchet et al. (2010).
Species