Swalla, B.J.; van der Land, J. (2024). Hemichordata World Database. Protoglossus van der Horst, 1935. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=137589 on 2024-11-27
basis of recordvan der Land, J. (2001). Hemichordata, <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 (look up in IMIS) [details]
additional sourceHayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors [request]
additional sourceCedhagen, T. & Hansson, H. G. 2012 Biology and distribution of hemichordates (Enteropneusta) with emphasis on Harrimaniidae and description of Protoglossus bocki sp. nov. from Scandinavia. Helgoland Marine Research 67, 251-265., available online athttps://doi.org/10.1007/s10152-012-0320-5[details]