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Place name : Ruecallan Archway, Rathlin Island. County : Antrim

Date : 2025-05-23 GPS : 55.30753,-6.27120. Depth : -10.0 to -27.0 m. [ View map ]

Site Description : Vertical limestone wall with archway on Rathlin's north wall.

Biotope 1 : Vertical limestone wall and archway (Sponges and anemones on vertical circalittoral bedrock).

PORIFERA
Leucosolenia sp. P
Aplysilla sulfurea O
Dysidea fragilis O
Pachymatisma johnstonia F
Dercitus bucklandi F
Axinella damicornis R
Axinella dissimilis R
Axinella infundibuliformis C
Raspailia hispida O
Raspailia ramosa O
Tethyspira spinosa R
Polymastia boletiformis O
Polymastia penicillus R
Sphaerotylus renoufi R
Tethya citrina O
Iophon hyndmani O
Iophonopsis nigricans O
Lissodendoryx jenjonesae R
Hemimycale columella F
Hymedesmia jecusculum R
Hymedesmia paupertas F
Haliclona urceolus F
Haliclona viscosa C
CNIDARIA
Tubularia indivisa A
Ectopleura larynx O
Halecium halecinum R
Abietinaria abietina O
Sertularella gayi R
Kirchenpaueria pinnata R
Nemertesia antennina C
Nemertesia ramosa F
Aglaophenia tubulifera O
Alcyonium digitatum A
Alcyonium hibernicum R
Parazoanthus anguicomus O
Parazoanthus axinellae C
Actinothoe sphyrodeta C
Corynactis viridis O
Caryophyllia smithii A
CRUSTACEA
Adna anglica C
Caprellidae sp. P
MOLLUSCA
Tritonia hombergii P
Diaphorodoris luteocincta R
Diaphorodoris alba R
Polycera faeroensis R
Polycera kernowensis R
Cadlina laevis R
Antiopella cristata R
BRYOZOA
Crisia denticulata F
Crisia eburnea C
Plagioecia patina O
Flustra foliacea R
Schizomavella linearis R
ECHINODERMATA
Henricia oculata R
Marthasterias glacialis R
Ophiactis balli P
TUNICATA
Polyclinum aurantium R
Aplidium nordmanni O
Aplidium punctum C
Didemnidae sp. O
Lissoclinum weigelei P
Polycarpa pomaria O
Botryllus renierii R
PISCES
Taurulus bubalis R
Labrus bergylta R
RHODOPHYTA
Rhodophyllis divaricata O
Heterosiphonia plumosa O
Delesseria sanguinea O
CHROMOPHYTA
Laminaria hyperborea R

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