Raphitoma perpulchra | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Neogastropoda |
Superfamily: | Conoidea |
Family: | Raphitomidae |
Genus: | Raphitoma |
Species: | R. perpulchra |
Binomial name | |
Raphitoma perpulchra (S.V. Wood, 1848 ) | |
Synonyms | |
Clavatula perpulchraS.V. Wood, 1848 |
Raphitoma perpulchra is an extinct species of sea snail, a marine gastropod mollusc, in the family Raphitomidae. [1]
The length of the shell reaches 10 mm.
(Original description) "The small shell is turriculate and fusiform. It has an elevated spire and convex whorls. The whorls are longitudinally costated with 11 - 12 ribs on the body whorl. It is transversely striated with sharp and elevated striae. The outer lip is curved and thickened on the outside. It has a large and deep sinus at the suture. The siphonal canal is short and very open." [2]
Fossils of this extinct marine species were found in Pliocene strata in Belgium and the Crag Formation, Sutton, England.
A whorl is a single, complete 360° revolution or turn in the spiral or whorled growth of a mollusc shell. A spiral configuration of the shell is found in numerous gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the ammonites.
Raphitoma bracteata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma hoernesi is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Raphitoma pulchra is an extinct species of sea snail, a marine gastropod mollusc, in the family Raphitomidae.