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Kullander, S.O.; Stach, T.; Hansson, H.G.; Delling, B. (2011). Ryggsträngsdjur: Lansettfiskar-broskfiskar. Chordata: Branchiostomatidae-Chondrichthyes. Nationalnyckeln till Sveriges Flora och Fauna. ArtDatabanken/Sveriges lantbruksuniversitet: Uppsala. ISBN 978-91-88506-74-0. 327 pp.
Hansson, H.G. (1998). NEAT (North East Atlantic Taxa): South Scandinavian marine & maritime Chelicerata & Uniramia: check-list. Tjärnö Marine Biological Laboratory: Sweden. 29 pp.
Hansson, H.G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) 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, more
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