Trilobopsis

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

Trilobopsis
Three views of a shell of Trilobopsis loricata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Polygyridae
Tribe:	Allogonini
Genus:	Trilobopsis Pilsbry, 1939

Distribution

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

Description

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.^[1]

Species

Species in the genus Trilobopsis include:^[1][2]

• 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)