Penion_ormesi

<i>Penion ormesi</i>

Penion ormesi

Species of gastropod

Penion ormesi is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Austrosiphonidae.[2]

Quick Facts Penion ormesi, Scientific classification ...

Description

Penion ormesi is a large to very large species of siphon whelk.[3] P. ormesi is benthic, and typically inhabits soft-sediments on the continental shelf.[4]

Recent genetic and geometric morphometric research using shell shape and size has demonstrated that a formerly recognised species Penion cuvierianus jeakingsi is closely related to Penion ormesi, and the taxon has been synonymised.[1] However, further genetic and morphological variation observed among these snails suggests that there may be further diversity within this lineage.[1]

Shells of Penion ormesi
  • Shell of Penion ormesi (museum specimen at Naturalis Biodiversity Center)
  • Shell formerly recognised as Penion cuvierianus jeakingsi

Distribution

The species is endemic to New Zealand and is found in the Cook Strait and off the west coast of the South Island.[3] Fossils of the species are recorded from Wanganui.[5]

References

  1. [1]
    Vaux, Felix; Gemmell, Michael R.; Hills, Simon F.K.; Marshall, Bruce A.; Beu, Alan G.; Crampton, James S.; Trewick, Steven A.; Morgan-Richards, Mary (2020). "Lineage Identification Affects Estimates of Evolutionary Mode in Marine Snails". Systematic Biology. 69 (6): 1106–1121. doi:10.1093/sysbio/syaa018. PMID 32163159.
  2. [2]
    Kantor, Yuri I.; Fedosov, Alexander E.; Kosyan, Alisa R.; Puillandre, Nicolas; Sorokin, Pavel A.; Kano, Yasunori; Clark, Roger; Bouchet, Philippe (2022). "Molecular phylogeny and revised classification of the Buccinoidea (Neogastropoda)". Zoological Journal of the Linnean Society. 194 (3): 789–857. doi:10.1093/zoolinnean/zlab031.
  3. [3]
    Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  4. [4]
    Dell, R.K. 1962. New Zealand Marine Provinces - do they exist? Tuatara, 10: 43 - 52. Online Copy courtesy of New Zealand Electronic Text Collection
  5. [5]
    Beu, Alan G.; Maxwell, P.A. (1990). Cenozoic Mollusca of New Zealand. New Zealand Geological Survey Bulletin. Vol. 58. Lower Hutt, New Zealand: New Zealand Department of Scientific and Industrial Research. ISSN 0114-2283.


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