Nomenclature
original description
Richters, F. (1909). Tardigraden-Studien. <em>Bericht der Senckenbergische Naturforschenden Gesellschaft.</em> 40: 28–45. [details] 
basis of record
van der Land, J. (2001). Tardigrada, <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. 236 (look up in IMIS) [details]
Other
additional source
Hayward, 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]
From editor or global species database