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Fieldtrip to Dana Point, Orange Co., CA, February 20, 2009

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Meeting by The Pilgrim
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Another tall ship
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Heermann's and immature western gull checking out a vacated spot on the beach
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Undergrad TA Chrystal
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Egregia menziesii in tidepool
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Mytilus californianus beds
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The rough limpet, Lottia scabra
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Nuttallina fluxa (southern spiny chiton)
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Mopalia muscosa (mossy chiton)
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Lottia gigantea with L. scabra on shell
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Nuttallina fluxa
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Mopalia muscosa
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Cyanoplax hartwegii (Hartweg's chiton) alongside Tetraclita rubescens (red thatched barnacle)
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The limpet on the right might be a Lottia pelta that was formerly on Egregia, judging from its shell.
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A fairly small Lottia gigantea (owl limpet)
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Back on its territory and crawling towards cover
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Audrey
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Through a sea cave
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Please, no cell phones during field trips
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Janelle
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Ally
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Taking GPS coordinates
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Exploring the splash zone
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Lottia limatula (file limpet)
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Sargassum - species not determined
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Anthopleura sola (closed) with hermit crab
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Anthopleura sola (sunburst anemone)
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A. sola
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Megastraea undosa (wavy top snail)
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Lottia gigantea
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Chlorostoma funebralis with undetermined limpets (could be Lottia asmi but not very typical if so)
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Unlike the closely related but more southern species, Chlorostoma gallina (see below), C. funebralis has a prominent roughened spiral ridge as in this turban snail.
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Anthopleura sola with mussel and Pisaster ochraceus
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Volcano keyhole limpet (Fissurella volcano), hermit crab on mussel, and banded turban snails (Agathistoma eiseni; formerly Tegula eiseni)
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Lottia gigantea with Tetraclita rubescens on shell
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Speckled turban snail (Chlorostoma gallina; ID tentative) and Lottia gigantea up against a clone of Anthopleura elegantissima
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The same snail as in the last image compared with Sept's image of C. gallina (as Tegula gallina).
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Nuttall's hornmouth (Ceratostoma nuttalli) with volcano keyhole limpet on shell, in front of black turban snail
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Black turban snail (Chlorostoma funebralis) with limpets on shell (ID not determined)
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Petrolisthes cabrilloi (Cabrillo's porcelain crab)
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P. cabrilloi (same crab as last image, tentative ID)
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P. cabrilloi has hairs on walking legs and carpus (wrist segment); its red mouthparts and the red spot at the base of the movable finger on each claw are difficult to see, if present, in these images.
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Chrystal
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Wishful thinking...

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