| Aspa Temporal range: | |
|---|---|
 | |
| Fossil shell of Aspa marginata | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Bursidae |
| Genus: | Aspa H. Adams & A. Adams, 1853 |
| Type species | |
| † Ranella laevigataLamarck, 1822 | |
| Synonyms | |
Bursa (Aspa)H. Adams & A. Adams, 1853 (original rank) Contents | |
Aspa is a genus of sea snails, marine gastropod mollusks in the family Bursidae, the frog shells. [1]
The ovate shell is ventricose and smooth. The spire is very short. The whorls are nodulous at the angles. [2]
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]
The Bursidae, common name "frog snails" or "frog shells", are a rather small taxonomic family of large sea snails, marine gastropod predatory snails in the clade Littorinimorpha.
Clanculus is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.
Bursa is a genus of large sea snails, marine gastropod molluscs in the family Bursidae, the frog snails or frog shells.
Pinna is a genus of bivalve molluscs belonging to the family Pinnidae.
Bufonaria is a genus of medium-large sea snails, marine gastropod molluscs in the family Bursidae, the "frog snails".
Hexaplex is a genus of medium-sized to large sea snails, marine gastropod mollusks in the subfamily muracinae of the family Muricidae, the murex shells or rock snails.
Volema is a genus of sea snails, marine gastropod molluscs in the family Melongenidae, the crown conches and their allies.
Cymbula is a genus of sea snails, the true limpets, marine gastropod mollusks in the family Patellidae.
Nassaria is a genus of sea snails, marine gastropod mollusks in the subfamily Tomliniinae of the family Nassariidae.
Leucozonia is a genus of sea snails, marine gastropod mollusks in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Scabricola is a genus of sea snails, marine gastropod mollusks in the family Mitridae.
Cronia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Vexilla is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Cymbium is a genus of sea snails, marine gastropod mollusks in the family Volutidae.
Pseudoliva is a genus of sea snails, marine gastropod mollusks in the family Pseudolividae.
Separatista is a genus of sea snails, marine gastropod mollusks in the family Capulidae.
Aspa marginata is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
Bursa bufonia, common name the warty frog shell, is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
Tutufa is a genus of sea snails, marine gastropod mollusks in the family Bursidae, the frog shells.
Nebularia is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Cylindromitrinae within the family of Mitridae. This name was originally proposed as a subgenus of the genus Mitra. The type species of this genus is Mitra contractaSwainson, 1820.
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