Penion cuvierianus

Penion cuvierianus; Temporal range: Early Pliocene to Recent, 1.63–0.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Dorsal view of a shell of Penion cuvierianus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Neogastropoda
Superfamily:	Buccinoidea
Family:	Buccinidae
Genus:	Penion
Species:	P. cuvierianus
Binomial name
	Penion cuvierianus; (Powell, 1927)
Synonyms
	Fusus dilatatus Quoy & Gaimard, 1833; Siphonalia dilatata Suter, 1913; Megalatractus maximus Suter, 1913; Verconella dilatata Iredale, 1914; Verconella dilatata rex Finlay, 1927; Verconella dilatata cuvieriana Iredale, 1914; Verconella dilatata var. elongata Powell, 1927; Verconella dilatata var. rotunda Powell, 1927; Verconella elongata Powell, 1927;

Penion cuvierianus is a species of very large predatory sea snail or whelk, commonly called the flaring penion, a marine gastropod mollusc in the family Buccinidae, the true whelks.

Description

Penion cuvierianus is a very large species of siphon whelk.[1][2] Shells vary between ivory and yellow in colouration.[2]

Distribution

Penion cuvierianus is endemic to New Zealand.[1][2] The taxonomic name is a reference to the type locality of Cuvier Island.[1] The species has an abundant fossil record in the North Island of New Zealand.[3]

The species occurs in the subtidal zone between depths of 20 and 200 metres.[2]

Subspecies

These subspecies have been recognised:

Penion cuvierianus cuvierianus (Powell, 1927)[1][3]
Penion cuvierianus jeakingsi (Powell, 1947)[1]

Variation in shell morphology

P. c. cuvierianus
P. c. cuvierianus
P. c. cuvierianus
P. c.cuvierianus
P. c. jeakingsi

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gollark: One byte input -> two to six bytes of lolcrypt.

gollark: I did. It's just that it gets exponentially more slow for each run, since lolcrypt inflates the size lots.

gollark: My inefficient lolcrypt algorithm can only manage about 9LOLcrypt (LOLcrypt repeated 9 times) before crashing with yield errors.

References

Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
Willan, R.C., de C. Cook, S., Spencer, H.G., Creese, R.G., O’Shea, S., Jackson, G.D. Phylum Mollusca. In: de C. Cook, S.C. (eds.), New Zealand Coastal Marine Invertebrates 1, 406 – 407. Canterbury University Press, Christchurch, New Zealand ISBN 978-1877257-60-5
Beu, Alan G.; Maxwell, P.A. (1990). Cenozoic Mollusca of New Zealand. New Zealand Geological Survey Bulletin. 58. Lower Hutt, New Zealand: New Zealand Department of Scientific and Industrial Research. ISSN 0114-2283.

External links

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[Powell_1979-1] Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1

[Willan_2010-2] Willan, R.C., de C. Cook, S., Spencer, H.G., Creese, R.G., O’Shea, S., Jackson, G.D. Phylum Mollusca. In: de C. Cook, S.C. (eds.), New Zealand Coastal Marine Invertebrates 1, 406 – 407. Canterbury University Press, Christchurch, New Zealand ISBN 978-1877257-60-5

[Beu_1990-3] Beu, Alan G.; Maxwell, P.A. (1990). Cenozoic Mollusca of New Zealand. New Zealand Geological Survey Bulletin. 58. Lower Hutt, New Zealand: New Zealand Department of Scientific and Industrial Research. ISSN 0114-2283.