Ividella maoria

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Ividella maoria
Ividella maoria (AM MA72073-1).jpg
Holotype from the Auckland War Memorial Museum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Ividella
Species:
I. maoria
Binomial name
Ividella maoria
(Powell, 1940)

Ividella maoria is a species of marine gastropod mollusc in the family Pyramidellidae. [1] It was first described by Baden Powell in 1940. It is endemic to the waters of New Zealand. The mollusc was the first of its species to be identified in New Zealand, and as of 2022 remains the only endemic Ividella species in the country. [2] [3]

Contents

Description

Ividella maoria has a small shell with a typical protoconch, and typically measures 3 millimetres in height and between one and three in diameter. [2] [4] The species looks very similar to the type species of the genus, Ividella navisa , but can be distinguished from its eastern Pacific counterpart by the presence of a narrow umbilical cleft. [2]

Distribution

The species is endemic to New Zealand. [1] The first specimens were identified between Piwhane / Spirits Bay and Manawatāwhi / Three Kings Islands. [2] Additional specimens have been found in the waters near Cape Maria van Diemen and the Poor Knights Islands. [5] [6]

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References

  1. 1 2 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). "Ividella maoria Powell, 1940". MolluscaBase. World Register of Marine Species . Retrieved 25 October 2022.
  2. 1 2 3 4 Powell, A. W. B. (1940–41). "The Marine Mollusca of the Aupourian Province, New Zealand". Transactions of the Royal Society of New Zealand: Zoology. 70: 205–261 – via Papers Past.
  3. ↑ "Ividella". New Zealand Organisms Register . Retrieved 25 October 2022.
  4. ↑ "Ividella maoria". New Zealand Mollusca. Retrieved 20 November 2022.
  5. ↑ "Ividella maoria". Auckland War Memorial Museum . Retrieved 22 October 2022.
  6. ↑ "Ividella maoria". Auckland War Memorial Museum . Retrieved 22 October 2022.
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