Emarginula

Last updated

Emarginula
Emarginula striatula (top view).JPG
Emarginula striatula
Scientific classification Red Pencil Icon.png
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
  • Emarginella Pilsbry in Tryon & Pilsbry, 1891
  • Emarginula (Emarginula)Lamarck, 1801· accepted, alternate representation
  • Emarginula (Subzeidora)Iredale, 1924· accepted, alternate representation
  • Emarginulus Montfort, 1810
  • EntomellaCotton, 1945
  • NotamellaCotton, 1957
  • SemperiaCrosse, 1867
  • SubzeidoraIredale, 1924

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

Contents

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]

The following species are mentioned in other databases : The Indo-Pacific Molluscan Database also mentions the following species with names in current use : [6]

Subgenus Emarginula Lamarck, 1801
Subgenus Emarginula (Subzeidora) Iredale, 1924
Species brought into synonymy
[1]

Related Research Articles

<i>Nassarius</i> Genus of gastropods

Nassarius, common name nassa mud snails (USA) or dog whelks (UK), is a genus of minute to medium-sized sea snails, marine gastropod molluscs in the family Nassariidae. They are scavengers.

<span class="mw-page-title-main">Fissurellidae</span> Family of limpet-like sea snails

Fissurellidae, common name the keyhole limpets and slit limpets, is a taxonomic family of limpet-like sea snails, marine gastropod molluscs in the clade Vetigastropoda. Their common name derives from the small hole in the apex of their cone-like shells. Although superficially resembling "true" limpets, they are in fact not closely related to them.

<i>Buccinum</i> Genus of gastropods

Buccinum is a genus of medium-sized sea snails, marine gastropod molluscs in the family Buccinidae, the true whelks.

<i>Terebra</i> Genus of gastropods

Terebra is a genus of small to large-sized predatory sea snails, marine gastropod molluscs in the subfamily Terebrinae of the family Terebridae, the auger snails.

<i>Solariella</i> Genus of gastropods

Solariella is a genus of small to minute sea snails, marine gastropod molluscs in the family Solariellidae within the superfamily Trochoidea, the top snails, turban snails and their allies.

<i>Natica</i> Genus of gastropods

Natica is a genus of small to medium-sized predatory sea snails, marine gastropods in the subfamily Naticinae of the family Naticidae, the moon snails. The genus was erected by Giovanni Antonio Scopoli in 1777.

<i>Puncturella</i> Genus of gastropods

Puncturella is a genus of minute deepwater keyhole limpets, marine gastropod mollusks or micromollusks in the family Fissurellidae, the keyhole limpets and slit limpets.

<i>Mitrella</i> (gastropod) Genus of gastropods

Mitrella is a genus of small sea snails, marine gastropod mollusks in the family Columbellidae, the dove shells or dove snails.

<i>Hemitoma</i> Genus of gastropods

Hemitoma is a genus of slit limpets, marine gastropod molluscs in the family Fissurellidae, the keyhole limpets and slit limpets.

<i>Tugali</i> Genus of gastropods

Tugali is a genus of small sea snails or limpets, a marine gastropod mollusc in the subfamily Emarginulinae of the family Fissurellidae, the keyhole limpets and slit limpets.

<i>Hastula</i> Genus of gastropods

Hastula is a genus of sea snails, marine gastropod mollusks in the family Terebridae, the auger snails.

<i>Drillia</i> Genus of gastropods

Drillia is a genus of small sea snails, marine gastropod mollusks in the family Drilliidae.

<i>Phos</i> Genus of gastropods

Phos is a genus of sea snails, marine gastropod mollusks in the family Nassariidae.

<i>Vexillum</i> (gastropod) Genus of gastropods

Vexillum is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Costellariidae.

<i>Subcancilla</i> Genus of gastropods

Subcancilla is a genus of sea snails, marine gastropod mollusks in the subfamily Isarinae of the family Mitridae.

<i>Ancilla</i> (gastropod) Genus of gastropods

Ancilla, common name the ancillas, is a genus of sea snails, marine gastropod mollusks in the family Ancillariidae.

<i>Stomatella</i> Genus of sea snails

Stomatella is a genus of small to medium-sized sea snails, marine gastropod mollusks in the family Trochidae, the top snails and their allies.

Inquisitor is a genus of small predatory sea snails, marine gastropod mollusks in the family Pseudomelatomidae.

<i>Opalia</i> (gastropod) Genus of gastropods


Opalia is a genus of small sea snails, marine gastropod mollusks in the family Epitoniidae, commonly known as wentletraps.

Emarginella is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.

References

  1. 1 2 3 Bouchet, P.; Gofas, S.; Rosenberg, G. (2012). Emarginula Lamarck, 1801. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138012 on 2013-01-13
  2. Tryon, George W. Jr. (1879–1898). Manual of Conchology, structural and systematic. Academy of Natural Sciences, Philadelphia. p. 248.
  3. 1 2 Torr, Claude M. (1914). "Radulæ of some South Australian Gasteropoda". Transactions of the Royal Society of South Australia. 38: 362–368.
  4. Keen, A. Myra (1971-06-01). Sea shells of tropical west America: marine mollusks from Baja California to Peru. ISBN   978-0-8047-0736-7.
  5. "Emarginula striatula". Gastropods.com. Retrieved 12 January 2019.
  6. OBIS : Emarginula