Английская Википедия:Aspa (gastropod)

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Шаблон:Short description Шаблон:Italictitle Шаблон:Automatic taxobox

Aspa is a genus of sea snails, marine gastropod mollusks in the family Bursidae, the frog shells.[1]

Description

The ovate shell is ventricose and smooth. The spire is very short. The whorls are nodulous at the angles. [2]

Species

Species within the genus Aspa include:

The genus Aspa is known in the fossil record from the Miocene epoch, about 13.65 million years ago. These fossils have been found in the Quaternary of Namibia and Spain, in the Pliocene of Costa Rica, Greece and Spain and in the Miocene of Austria, Greece, Hungary and Italy.[4]

References

Шаблон:Reflist

External links

Шаблон:Taxonbar


Шаблон:Bursidae-stub