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Penion ormesi
Penion jeakingsi.png
Penion ormesi snail collected from Golden Bay in New Zealand
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Buccinoidea
Family:
Genus:
Penion
Species:
P. ormesi
Binomial name
Penion ormesi
(Powell A W B, 1927)
Synonyms

Verconella ormesi Powell A W B, 1927 Penion cuvierianus jeakingsi (Powell, 1947)

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

Description

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

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. However, further genetic and morphological variation observed among these snails suggests that there may be further diversity within this lineage.

Distribution

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

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