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Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Trigonioida | Trigonioidea | Trigoniidae | Eotrigonia subundulata

nominal species Trigonia semiundulata Jenkins, 1865

Trigonia semiundulata Jenkins, 1865 = Eotrigonia subundulata

McCoy, 1861. Cat. Victor. Exhib.: 170. [nomen nudum]
McCoy, 1862. Ann. Mag. Nat. Hist. 9: 147. [nomen nudum]
‘McCoy MS’ Jenkins, 1865. Quart. J. Sci. 2: 630, fig. 6 [as ‘semi undulata’].
McCoy, 1866. Geol. Mag. 3: ??.

= Eotrigonia subundulata

Taxonomic Opinions

+ Eotrigonia subundulata (Jenkins, 1865) — Darragh, 1986

= Trigonia semiundulata McCoy — Tenison-Woods, 1878

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