Cellana radians

Cellana radians, common name the radiate limpet, is a species of true limpet, a marine gastropod mollusc in the family Nacellidae, which is one of the true limpet families.

Cellana radians
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Patellogastropoda
Family:	Nacellidae
Genus:	Cellana
Species:	C. radians
Binomial name
Cellana radians (Gmelin, 1791)
Synonyms
Cellana radians perana Iredale, 1915 Helcioniscus radians Suter, 1913 Nacella flexuosa Hutton, 1873 Patella antipodum E.A. Smith, 1874 Patella argentea Quoy and Gaimard, 1834 Patella argyropsis Lesson, 1830 Patella decora Philippi, 1849 Patella earlii Reeve, 1855 Patella flexuosa Hutton, 1873 Patella morio Noodt, 1819 Patella olivacea Hutton, 1882 Patella pholidota Lesson, 1830 Patella radians Gmelin, 1791 Patella radiatilis Hombron & Jacquinot, 1841

Description

The foot and the head are lightly colored whereas Cellana flava has darker colored soft tissues. The shell exhibits different morphological varieties, even in the same location. The shell can be grayish white on the outside with rather flat ribs that are somewhat darker. Its interior is iridescent and white, with gray muscle impressions. The apex is off-center and sometimes worn off.

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  Apical view
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  Apical view
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  Ventral view
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  Ventral view

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  forma perana

Drawing of the shell with dorsal view, lateral view (left side) and ventral view. Head region is on the left.

Ecology

Cellana radians is found on rocks and other hard substrates in the littoral and sublittoral zones of the seas around New Zealand.

References

• Nakano T. & Ozawa T. (2007). Worldwide phylogeography of limpets of the order Patellogastropoda: molecular, morphological and paleontological evidence. Journal of Molluscan Studies 73(1): 79–99
• Bruce A. Marshall, Molluscan and brachiopod taxa introduced by F. W. Hutton in The New Zealand journal of science; Journal of the Royal Society of New Zealand, Volume 25, Issue 4, 1995