Penion chathamensis

Penion chathamensis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda

clade Hypsogastropoda
clade Neogastropoda

Superfamily: Buccinoidea
Family: Buccinidae
Genus: Penion
Species: P. chathamensis
Binomial name
Penion chathamensis
(Powell, 1938)

Penion chathamensis is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Buccinidae, the true whelks.

Description

Penion chathamensis is a very large species of Penion siphon whelk.[1] Although P. chathamensis has separate sexes, the species does not appear to exhibit secondary sexual dimorphism in shell shape or size.[2]

Distribution

Penion chathamensis is endemic to New Zealand.[1][2][3] The species is distributed off of the west coast of the South Island, and occurs on Chatham Rise and in waters surrounding the Chatham Islands[1][2][3] The latter location is the type locality, giving rise to the binomial name of the species.[1]

References

  1. 1 2 3 4 Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  2. 1 2 3 Vaux, Felix; Crampton, James S.; Marshall, Bruce A.; Trewick, Steven A.; Morgan-Richards, Mary (2017). "Geometric morphometric analysis reveals that the shells of male and female siphon whelks Penion chathamensis are the same size and shape". Molluscan Research. 37 (3): 194–201. doi:10.1080/13235818.2017.1279474.
  3. 1 2 Vaux, Felix; Hills, Simon F.K.; Marshall, Bruce A.; Trewick, Steven A.; Morgan-Richards, Mary (2017). "A phylogeny of Southern Hemisphere whelks (Gastropoda: Buccinulidae) and concordance with the fossil record". Molecular Phylogenetics and Evolution. 114 (2017): 367–381. doi:10.1016/j.ympev.2017.06.018.


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