Abyssochrysos

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Abyssochrysos
Abyssochrysos melanioides.png
anatomy of Abyssochrysos melanioides removed from the shell
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Family: Abyssochrysidae
Genus: Abyssochrysos
Tomlin, 1927 [1]
Type species
Abyssochrysos melanioidesTomlin, 1927

Abyssochrysos is a genus of bathyal sea snails, marine gastropod mollusks in the family Abyssochrysidae. [2]

Contents

Description

The characteristics (shell, radula and anatomy) of the species mark this genus as simple gastropods, unassigned in the clade Caenogastropoda. Their taenioglossate radula (formula: 2+1+1+1+2) is unique among the Prosobranchia because of the sickle-shaped rachidian tooth and the thick, sinuous, sharply cusped lateral teeth. They have tentacles but lack eyes. The mantle cavity goes deep (about 2½ whorls). The long, wide ctenidium is monopectinate. The pallial gonoducts are closed. The large penis-like organ is a right-dorsal mantle process. [3]

Species

Species within the genus Abyssochrysos include:

Species brought into synonymy

Related Research Articles

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<span class="mw-page-title-main">Abyssochrysidae</span> Family of gastropods

Abyssochrysidae is a family of sea snails, marine gastropod mollusks in the clade Caenogastropoda.

<i>Cerithium</i> Genus of gastropods

Cerithium is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Cerithiidae, the ceriths.

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<span class="mw-page-title-main">Abyssochrysoidea</span> Superfamily of gastropods

Abyssochrysoidea is a superfamily of deep-water sea snails, marine gastropod mollusks unassigned in the orderCaenogastropoda.

<i>Pleurotomella</i> Genus of gastropods

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<i>Abyssochrysos bicinctus</i> Species of gastropod

Abyssochrysos bicinctus is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae.

<i>Abyssochrysos brasilianus</i> Species of gastropod

Abyssochrysos brasilianus is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae.

<i>Abyssochrysos eburneus</i> Species of gastropod

Abyssochrysos eburneus is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae.

<i>Abyssochrysos melanioides</i> Species of gastropod

Abyssochrysos melanioides is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae.

<i>Abyssochrysos melvilli</i> Species of gastropod

Abyssochrysos melvilli, common name Melvill's abyssal shell, is a species of sea snail, a marine gastropod mollusc in the family Abyssochrysidae.

Abyssochrysos xouthos is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae.

<i>Oocorys sulcata</i> Species of gastropod

Oocorys sulcata is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.

Apicalia is a genus of medium-sized sea snails, marine gastropod mollusks in the family Eulimidae.

References

  1. ↑ Tomlin J. R. le B. (1927). "Reports on the Marine Mollusca in the Collections of the South African Museum, II: Families Abyssochrysidae, Oocorythidae, Haliotidae, Tonnidae". Annals of the South African Museum 25(1): 77-83, 4 figures. page 77.
  2. ↑ Abyssochrysos Tomlin, 1927 . Retrieved through: World Register of Marine Species  on 4 May 2010.
  3. ↑ ¨Houbrick R.S. 1979. Classification and systematic relationships of the Abyssochrysidae, a relict family of bathyal snails (Prosobranchia; Gastropoda). Smithsonian Contributions to Zoology 290: 1-21
  4. 1 2 Bouchet P. (1991). "New records and new species of Abyssochrysos (Mollusca, Caenogastropoda). Journal of Natural History25(2): 305–313. doi : 10.1080/00222939100770221.
  5. ↑ Abyssochrysos bicinctum Bouchet, 1991 . Retrieved through: World Register of Marine Species  on 4 May 2010.
  6. ↑ Abyssochrysos brasilianum Bouchet, 1991 . Retrieved through: World Register of Marine Species  on 4 May 2010.
  7. ↑ Abyssochrysos eburneum (Locard, 1897) . Retrieved through: World Register of Marine Species  on 4 May 2010.
  8. ↑ Abyssochrysos melanioides Tomlin, 1927 . Retrieved through: World Register of Marine Species  on 4 May 2010.
  9. ↑ Abyssochrysos melvilli (Schepman, 1909) . Retrieved through: World Register of Marine Species  on 4 May 2010.
  10. ↑ Killeen I. J. & Oliver P. G. (2000). "A new species of Abyssochrysos (Gastropoda: Loxonematoidea) from the Oman margin". Journal of Molluscan Studies66(1): 95–98. doi : 10.1093/mollus/66.1.95
  11. ↑ Abyssochrysos xouthos Killeen & Oliver, 2000 . Retrieved through: World Register of Marine Species  on 4 May 2010.
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