Trilobopsis

Updated on Nov 27, 2023

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Kingdom Animalia Family Polygyridae Phylum Mollusca Rank Genus		Superfamily Helicoidea Scientific name Trilobopsis Higher classification Polygyridae

Similar Vespericola, Polygyridae, Cryptomastix, Ashmunella, Stenotrema

Trilobopsis is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.

Distribution

The distribution of this species is restricted to Oregon and California, USA.

The shells of species in this genus are somewhat globular and about 5 to 8 mm in diameter (1/4 to 3/16 inch).

Snails in this genus are distinguished from related snails on the basis of their reproductive anatomy.

Species in the genus Trilobopsis include:

Trilobopsis loricata (Gould, 1846)

Trilobopsis loricata lowei (Pilsbry, 1925)

Trilobopsis loricata mariposa Pilsbry, 1940

Trilobopsis loricata nortensis (Berry, 1933)

Trilobopsis loricata perforata Pilsbry, 1940

Trilobopsis loricata sonomaensis (Hemphill, 1911)

Trilobopsis penitens (Hanna & Rixford, 1923)

Trilobopsis roperi (Pilsbry, 1889)

Trilobopsis tehamana (Pilsbry, 1928)

Trilobopsis trachypepla (Berry, 1933)

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