''Sinutropis'' is a genus of fossil

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

euomphalid archaeogastropods from the Upper

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozo ...

Description

The shell has rounded whorls and a deep rounded sinus on the upper lip of the aperture in place of the typical exhalent angulation of most related genera. Otherwise the shell is not obviously ornamented.

Species

According to the Paleobiology Database, the following species are included in this genus: * ''Sinutropis esthetica'' Perner, 1903Paleobiology Database: ''Sinutropis''
/ref> * ''Sinutropis interrumpens'' Perner, 1903 * ''Sinutropis spiralis'' Rohr, 1988 * ''Sinutropis tenera'' Perner, 1903

Description

Species

References

Further reading