Eatoniella fossa

Eatoniella fossa is a species of marine gastropod mollusc in the family Eatoniellidae.[1] It was first described by Winston F. Ponder in 1965. It is endemic to the waters of New Zealand.

Eatoniella fossa
Holotype of Eatoniella fossa from Auckland War Memorial Museum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Eatoniellidae
Genus: Eatoniella
Species:
E. fossa
Binomial name
Eatoniella fossa
Ponder, 1965
Synonyms
  • Eatoniella (Dardanula) fossa (Ponder, 1965)

Description

Eatoniella fossa has a solid, smooth shell, with a groove between the inner lip and the molluscs body whorl. The shells' colour varied between brownish-yellow to white, with an occasional dark band. The holotype of the species measured 1.9mm by 1.2mm.[2]

This species is easily distinguished by the channel between the aperture and the body whorl of the mollusc.[2]

Distribution
The species was first identified in the Whangaroa Harbour

The species is endemic to New Zealand.[1] The holotype and five paratypes of the species were collected from reasonably deep water in the Whangaroa Harbour, Northland, to the west of Stephenson Island.[3] In addition to the east coast of the Northland Peninsula, Eatoniella fossa has been identified near Manawatāwhi / Three Kings Islands,[4] the Hen and Chicken Islands,[5] and the Bay of Plenty, as far east as Hicks Bay.[6][7]

References
  1. Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2022). "Eatoniella fossa Ponder, 1965". MolluscaBase. World Register of Marine Species. Retrieved 15 November 2022.
  2. Ponder, W. F. (1965). "The Family Eatoniellidae in New Zealand". Records of the Auckland Institute and Museum. 6: 47–99. ISSN 0067-0464. JSTOR 42906115. Wikidata Q58676802.
  3. Blom, Wilma (2022). "Fossil and Recent molluscan types in the Auckland War Memorial Museum. Part 4: Gastropoda (Caenogastropoda - Neocyclotidae to Epitoniidae). [Cyclophoroidea, Cerithioidea, Littorinimorpha]". Records of the Auckland Museum. 56 (55): 39–62. doi:10.32912/ram.2020.55.7. ISSN 2422-8567. S2CID 229670783. Retrieved 20 October 2022.
  4. "marine snail, Eatoniella fossa Ponder, 1965". Te Papa. Retrieved 15 November 2022.
  5. "marine snail, Eatoniella fossa Ponder, 1965". Te Papa. Retrieved 15 November 2022.
  6. "marine snail, Eatoniella fossa Ponder, 1965". Te Papa. Retrieved 15 November 2022.
  7. "marine snail, Eatoniella fossa Ponder, 1965". Te Papa. Retrieved 15 November 2022.
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