Madsen, F. J. (1947). The Echinoderms collected by the "Skagerak" Expedition in the Eastern Atlantic 1946. <em>Meddelanden från Göteborgs Kungliga Vetenskaps- och Vitterhets- Samhälles Handlingar, sjätte följden, Serie B.</em> 5(7): 1-16.[details]
Stöhr, S.; O’Hara, T.; Thuy, B. (Eds) (2021). World Ophiuroidea Database. Ophiocrates intervallus Madsen, 1947. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=124828 on 2026-09-08
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Ophiocrates intervallus Madsen, 1947. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=124828 on 2026-09-08
original descriptionMadsen, F. J. (1947). The Echinoderms collected by the "Skagerak" Expedition in the Eastern Atlantic 1946. <em>Meddelanden från Göteborgs Kungliga Vetenskaps- och Vitterhets- Samhälles Handlingar, sjätte följden, Serie B.</em> 5(7): 1-16.[details]
basis of recordHansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i>. 50: pp. 336-351. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality
Present