Megastraea undosa: Difference between revisions

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==Distribution==
==Distribution==
This species occurs in the eastern [[Pacific Ocean]] from [[Southern California]], USA to Central [[Baja California]], Mexico
This species occurs in the eastern [[Pacific Ocean]] from [[California]], USA to Central [[Baja California]], Mexico.


== Description ==
== Description ==
The size of the shell of this species varies between 40 mm and 145 mm
The size of the shell of this species varies between 40 mm and 145 mm.


== Habitat ==
== Habitat ==

Revision as of 18:55, 21 April 2014

Megastraea undosa
Shell and operculum of Megastraea undosa (W. Wood, 1828), measuring 71.4 mm height by 89.9 mm diameter, collected at Salt Creek Beach, Laguna Niguel, in California.
Scientific classification
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M. undosa
Binomial name
Megastraea undosa
(W. Wood, 1828)
Synonyms
  • Lithopoma undosum (W. Wood, 1828)
  • Astraea undosa (W. Wood, 1828)
  • Trochus undosus W. Wood, 1828 (basionym)
An old empty shell of Megastraea undosa, wedged under a rock and covered in the pink coralline alga Lithothamnion, which has cemented it to the subtrate.

Megastraea undosa[1] is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. This species is native to the coast of California.[2]

Distribution

This species occurs in the eastern Pacific Ocean from California, USA to Central Baja California, Mexico.

Description

The size of the shell of this species varies between 40 mm and 145 mm.

Habitat

This large snail inhabits rocky shores in shallow waters, generally protected areas below the low tide level.

References

External links

  • Gastropods.com: Lithopoma undosum; retrieved: 9 November 2011
  • Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1–82, pls 104-245.
  • Williams, S.T. (2007). Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592.