Thapsia
''Thapsia'' is the scientific name of two genera of organisms and may refer to: * ''Thapsia'' (gastropod), a genus of snails in the family Rissoidae * ''Thapsia'' (plant), a genus of plants in the family Apiaceae {{Genus disambiguation ...
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Thapsia (gastropod)
''Thapsia'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Sheldoniinae of the family Urocyclidae.MolluscaBase eds. (2022). MolluscaBase. Thapsia E. von Martens, 1860. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996919 on 2022-09-24 Distribution 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 * The sculpture of the radial ribs is formed crosswise (like the letter X) or beadlike. The foot shows a long caudal horn. Species ''Thapsia'' was originally designated in 1860 by German zoologist Johann Christian ...
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