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WoRMS taxon details
Nomenclatureoriginal description
(of Alecto petasus Düben & Koren, 1846) Düben, M. W. von; Koren, J. (1846). Ichthyologiska Bidrage. Kongliga Svenska Vetenskaps-Akademiens Handlingar for 1844. 27-120, Pls. 2-3. [Abstract in Öfversigt af Kongliga Vetenskaps-Akademiens förhandlingar v. 2 (no. 1) 1845: 9-12]., available online at https://www.biodiversitylibrary.org/page/47392144 [details]
new combination reference
Storm V (1877) Beretning om Selskabets zoologiske Samling i Aaret 1877. Det kongelige Norske Videnskabers-Selskabs Skrifter. vol. 8 (1874-1877), pp. 223-261, Trondhjems, 1878. [details]
Otheradditional source
Hansson, H. G. (1998). NEAT (North East Atlantic Taxa): Scandinavian Echinodermata Check-List (Comp.). , available online at https://www.gu.se/sites/default/files/2020-10/NEAT%2AEchinodermata.pdf [details] 
additional source
Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,. 50: pp. 336-351. (look up in IMIS) [details]
additional source
Southward, E.C.; Campbell, A.C. (2006). [Echinoderms: keys and notes for the identification of British species]. Synopses of the British fauna (new series), 56. Field Studies Council: Shrewsbury, UK. ISBN 1-85153-269-2. 272 pp. (look up in IMIS) [details]
From editor or global species database
Diagnosis Antedon with P2 intermediate in length between P1 and P3, and resembling P1. Cirri usually >40, of at most 18 cirrals; distal cirrals compressed laterally and in lateral view wider than proximal cirrals; longer proximal cirrals with L/W ratio 1.5; sixth and following cirrals gradually decreasing in length to the last, which is about as long as broad. No interradial perisomic plates. Brachials usually almost cylindrical, not markedly flared or convex in lateral view. [details]
Distribution SW Iceland to the Faroe Islands and Scandinavia (Trondhjemsfjord S along the Norwegian and W Swedish coasts to Bohuslan and the Kattegat). Depth range: 10-326 m, on kelp, gravel, boulders. [details]Unreviewed
Breeding Eggs, shed freely, larvae and pentacrinoid as in A. bifida. [details]
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Present 