Thapsia [SEP] parent taxon
Thapsia
Thapsia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicarionidae. Species in this genus are found in tropical western Africa, from Senegal to Gabon.
Description.
Species attributed to the genus "Thapsia" sensu lato have shell diameters ranging from about 15 to 30 mm, with 5½-6½ whorls. These rather featureless dextral shells are characterized by a low spire and their yellow to brown color. The spiral sculpture of the postembryonic shell is slender. In some larger species
), the delimitation of species to "Thapsia" s.l. is difficult. There very few papers that describe the anatomical features of this genus.
Thapsia contains the following species:
- "Thapsia buchholzi" Bourguignat, 1885
- "Thapsia buraensis"
- "Thapsia ebimimbangana" Winter, 2008
- "Thapsia grandis"
- "Thapsia microsculpta"
- "Thapsia rosenbergi" Preston, 1909
- "Thapsia snelli"
- "Thapsia troglodytes" (Morelet, 1848) - the type