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Clachen Rock, Bull Point, Rathlin Island.

Survey number: 550 Event number: 19850904/04 Date: 1985-09-04 GPS: 55.29400,-6.29317 [ View map ]

Site Description: Shallow slope of boulders with cobbles and muddy gravel underneath. Some limestone bedrock and basalt towards south. Vertical faces undercut.

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Species list (80 species recorded)

PORIFERA Abietinaria abietina ANNELIDA Polycera quadrilineata Henricia oculata Lithophyllum sp. Acrosorium venulosum
Oscarella sp. Diphasia rosacea Myxicola infundibulum Cadlina laevis Asterias rubens Rhodophyllis divaricata Cryptopleura ramosa
Pachymatisma johnstonia Sertularella gayi Filograna implexa Aeolidia papillosa Echinus esculentus Rhodophyllis werneri Delesseria sanguinea
Stelligera stuposa Kirchenpaueria pinnata CRUSTACEA Aeolidiella glauca TUNICATA Halarachnion ligulatum Nitophyllum punctatum
Polymastia boletiformis Nemertesia antennina Palinurus elephas Talochlamys distorta Aplidium nordmanni Metacallophyllis laciniata Phycodrys rubens
Polymastia penicillus Nemertesia ramosa Cancer pagurus Pododesmus patelliformis Ascidia mentula Kallymenia reniformis Brongniartella byssoides
Iophonopsis nigricans Schizotricha frutescens Xantho pilipes BRYOZOA Polycarpa pomaria Schottera nicaeensis CHROMOPHYTA
Axinella infundibuliformis Aglaophenia tubulifera MOLLUSCA Crisia eburnea PISCES Plocamium cartilagineum Cutleria
Haliclona urceolus Obelia geniculata Steromphala cineraria Securiflustra securifrons Scyliorhinus canicula Lomentaria orcadensis Dictyopteris polypodioides
Haliclona viscosa Alcyonium digitatum Calliostoma zizyphinum Porella compressa Ctenolabrus rupestris Rhodymenia ardissonei Dictyota dichotoma
CNIDARIA Actinothoe sphyrodeta Tritonia hombergii Parasmittina trispinosa RHODOPHYTA Rhodymenia pseudopalmata Carpomitra costata
Tubularia indivisa Corynactis viridis Diaphorodoris luteocincta Omalosecosa ramulosa Bonnemaisonia asparagoides Pterothamnion plumula Desmarestia aculeata
Halecium halecinum Caryophyllia smithii Polycera faeroensis ECHINODERMATA Bonnemaisonia intricata Heterosiphonia plumosa Laminaria hyperborea
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