Penion chathamensis
Template:Short description Template:Speciesbox
Penion chathamensis is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Austrosiphonidae.[1]
Description
Penion chathamensis is a very large species of Penion siphon whelk.[2] Although P. chathamensis has separate sexes, the species does not appear to exhibit secondary sexual dimorphism in shell shape or size.[3]
A separate species, Penion fairfieldae was formerly recognised, but recent genetic data has demonstrated that the species is indistinguishable from Penion chathamensis.[4] Shells originally recognised as P. fairfieldae can be distinguished from P. chathamensis using shell size, but not using shell shape.[4]
Distribution
Penion chathamensis is endemic to New Zealand.[2][3][5] 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[2][3][5] The latter location is the type locality, giving rise to the binomial name of the species.[2]
References
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- ↑ a b c d Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 Template:ISBN
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