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San Juan Channel dredging trip, San Juan Islands, San Juan Co., WA during 6th NAEC, August 17, 2011

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Tripoplax trifida (Carpenter, 1864)
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unidentified nemertean
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These are neogastropod egg capsules, possibly from the Nucella canaliculata in the next images. -- see here.
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Nucella canaliculata (sequences: de4235)
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Henricia sp. (also next five images; retained by A. Gale for study)
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Henricia sp. (also next three images; retained by DJE for study)
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Tentative: Cancer productus Randall 1839 juvenile
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Balanus nubilus Darwin 1854
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Tripoplax trifida (Carpenter, 1864) (larger of two)
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Mopalia cf. kennerleyi Carpenter 1864 (under investigation and am not at all sure yet)
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This is a juvenile Diodora aspera, confirmed by sequencing (de2939)
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Henricia sp. (under investigation)
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Mopalia cf. imporcata Carpenter 1864 (under investigation)
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Lepidozona cf. mertensii (Middendorff 1847) (1 of 11 collected)
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Mopalia cf. kennerleyi Carpenter 1864 (under investigation)
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Henricia sp. (and next five images; under investigation)
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note commensal polychaete
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Crossaster papposus (Linnaeus 1767)
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Cancer productus Randall 1839
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Henricia spp.
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Evasterias troschelii (Stimpson 1862)
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brown Irish lord, Hemilepidotus spinosus Ayres 1854, and sunflower star, Pycnopodia helianthoides (Brandt 1835)
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Strongylocentrotus franciscanus (A. Agassiz 1863)
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Calyptraea fastigiata Gould 1846 (Calyptraeidae) and horned shrimp, Paracrangon echinata Dana 1852 (Crangonidae)
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Fragile ruffled scaleworm Lepidonotus fragilis (Moore 1910) (formerly Harmothoe fragilis) is a commensal with at least nine species of starfish.
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Fissurellidae: Cranopsis cucullata (Gould 1846) - also collected two C. multistriata (Dall 1914) of similar size but with more numerous ribs - plus empty shells of: C. cucullata (n=1), C. multistriata (n=2), and Puncturella galeata (Gould 1846) (n=4); Also common was Diodora aspera (Rathke 1833)
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Lepidozona retiporosa (Carpenter 1864)
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Lepidozona retiporosa (Carpenter 1864) - this and the one in the last image were two of 10 collected
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Tentative: Oregonia gracilis Dana 1851
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Paracrangon echinata Dana 1852
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