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Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Thu 18 Dec 2025

nominal species Trapezoideus peninsularius ‘Simpson’ of Authors

Trapezoideus peninsularius ‘Simpson’ of Authors = Lens contradens

‘Simpson’ of Authors.
Graf & Cummings, 2007. J. Moll. Studies 73: 312.
Bogan, 2010. FADA: [web].
(error for Trapezoideus peninsularis Simpson, 1900)

= Lens contradens

Taxonomic Opinions

+ Lens contradens (Lea, 1838), comb. nov. — Pfeiffer et al., 2021

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