Emarginula

Genus of gastropods From Wikipedia, the free encyclopedia

Emarginula is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.[1]

Quick facts Scientific classification, Type species ...
Emarginula
Emarginula striatula
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Lepetellida
Superfamily: Fissurelloidea
Family: Fissurellidae
Subfamily: Emarginulinae
Genus: Emarginula
Lamarck, 1801
Type species
Emarginula (Emarginula) conica Lamarck, 1801
Species

See text.

Synonyms
  • Emarginula (Emarginula) Lamarck, 1801· accepted, alternate representation
  • Emarginula (Subzeidora) Iredale, 1924· accepted, alternate representation
  • Emarginulus Montfort, 1810
  • Entomella Cotton, 1945
  • Notamella Cotton, 1957
  • Semperia Crosse, 1867
  • Subzeidora Iredale, 1924
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Description

The oval shell is obliquely conical with a backward-pointing recurved apex. There is a deep incision in the anterior margin. A distinct anal fasciole extends upwards from this incision. The surface is latticed, sculptured with radial ribs. There is no septum inside.[2]

Radula

The radula has a dental formula of [many].1.4.1.4.1.[many],[3] with a wide, rectangular, acuspate rachidian tooth.[4] The various genera have a few dozen rows of teeth.[3]

Species

According to the World Register of Marine Species (WoRMS), species within the genus Emarginula include:[1]

Synonyms

References

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