R/V Yellowfin Cruise off San Pedro, Los Angeles Co., CA, 2/21/03

Yellowfin Image

The bursid, California frog shell ( Bursa californica), is typical for Bursidae in having two varices per whorl, a well developed anterior notch or siphonal canal, and a deep posterior notch or anal canal (McLean, 1977).



Citation

McLean, J.H. 1977. Marine Shells of Southern California, Science Series 24, Revised Ed. Natural History Museum of Los Angeles Co., Los Angeles.

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Images by R.N. Clark © 2003; Images assembled by D.J. Eernisse