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Fieldtrip to Surf Beach, San Onofre, San Diego Co., CA, February 13, 2010

Surf Beach	Good low tide	Abundant Sargassum
-	-	Egregia menziesii was completely absent
-	Fissurella volcano (volcano keyhole limpet)	-
About six small California sea hares (Aplysia californica) were clustered under a rock.	-	Acanthochitona avicula
Stenoplax conspicua (conspicuous chiton) plus smaller Lepidozona pectinulata (golden colored) and unidentified small snail	Juvenile (white) and adult S. conspicua above Agithistoma eiseni (formerly Tegula eiseni)	-
Stenoplax conspicua	-	-
-	Pseudochama exogira (Pacific jewel box)	Semele decisa (clipped Semele)
-	Stenoplax conspicua	Stenoplax conspicua (juvenile)
-	Fissurella volcano	Stenoplax conspicua
-	-	Elegant tern (tentative)
-	Stenoplax conspicua	Stenoplax conspicua
Chlorostoma aureotincta (gilded turban snail) and Fissurella volcano (volcano keyhole limpet)	-	Acanthochitona avicula
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-	Fissurella volcano and Stenoplax conspicua	Stenoplax conspicua
-	Stenoplax conspicua	-
Diodora arnoldi	-	-
Acanthochitona avicula	Stenoplax conspicua	-
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A sipunculan (peanut worm, phylum Sipuncula)	-	-
Fissurella volcano	Stenoplax conspicua	-
Fissurella volcano	-	Lepidozona pectinulata
Common small whelk (unidentified)	Fissurella volcano	Common small whelk (unidentified)
-	-	-
snowy egret	-	-
-	Fissurella volcano	Cyanoplax keepiana (Keep's chiton)
Cyanoplax keepiana	Lottia cf sp. B (formerly L. strigatella, which is a more southern species)	-
-	-	Lepidozona pectinulata (right) and two dorid nudibranchs (left)
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