Notoacmea scutum : Checkered Limpet -The Race Rocks Taxonomy

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Physical Description:
The average size of this species is 4-6 cm in length (shell) and 3-4 cm wide, with a low profile and rounded apex found forward of its center. The shell of this species is relatively smooth, conical or oval in shape, sculptured with coarse, flat-topped ridges. The color of the surface varies, though externally brown or green with radiating with white spots or lines.Habitat:
The Notoacmea scutum are found “between the high and low-tide lines” on smooth surfaces, usually rocks, while showing a “tidal rhythm of activity” which occurs more often at night.
Reproduction:
Spawning occurs, most abundantly, from autumn to spring, but can happen throughout the entire year. Spawning results in the external fertilization via males releasing sperm into the females, who then release their fertilized eggs into the flowing water.

Range (global):
Research has been shown that the Notoacmea scutum species can be found in the Aleutian Islands and Mexico and from Alaska to Baja, California.

Domain Eukarya
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Sub class Prosobranchia
Order Archaeogastropoda
Family Acmaeidae
Genus Notoacmea
Species scutum
Common Name: Checkered Limpet

Reference:

www.nmarinelife.com/htmlswimmers/n_scutum.html
www.nbl.noaa.gov/(zeajfizhdjfdsf45hn4n3k55)/itis.aspx?tsn=69716
http://academic.evergreen.edu/t/thuesene/animalia/mollusca/gastropoda/notoacmea/scutum.html
www.people.wwc.edu/staff/cowlda/keytospecies/mollusca/gastropoda/prosobranchia/order_patellogastropoda/family_lottiidae/tectura_scutum.html
¬ Intertidal Invertebrates of California
¬ Reproduction and Development of Marine Invertebrates of the Northern Pacific Coast Data and Methods for the Study of Eggs, Embryos, and Larvae

Other Members of the Phylum Mollusca at Race Rocks.

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and Image File
pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams.

Original text for this file was done by Shaterra Redd PC student year 32 . 2005