Planorbarius scoliostoma

Planorbatius scoliostoma is a species of freshwater gastropod in the family Planorbidae. It can be found in Greece, where it is endangered.

Planorbarius scoliostoma
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Planorbidae
Genus:	Planorbarius
Species:	P. scoliostoma
Binomial name
Planorbarius scoliostoma (Westerlund, 1898)[1]
Synonyms[2]
Planorbis (Spirodiscus) scoliostoma Westerlund, 1898; unaccepted, superseded combination

Taxonomy

Planorbarius scoliostoma was originally described by Carl Agardh Westerlund in 1898 under the name Planorbis (Spirodiscus) scoliostoma.^[1] One preserved specimen is held in the UF Invertebrate Zoology collection in Hungary.^[3]

Description

Planorbarius scoliostoma has a shell diameter of about 36 mm (1.4 in) and a shell height of about 14 mm (0.55 in). There are 5 revolutions of the shell (whorls).^[1]

Distribution and conservation

Planorbarius scoliostoma is known from Greece, where it is considered an endangered species. It may be found in the region of Acarnania, with one specific occurrence at Lake Trichonida.^[1][4]