original description
Lang, K. (1949). Echinoderida. <em>Further Zoological Results of the Swedish Antarctic Expedition 1901-1903 under the direction of Dr. Otto Nordenskjöld.</em> 4 (2): 1-22. [details] Available for editors
taxonomy source
Lang, K. (1953). Reports of the Lund University Chile Expedition 1948-1949. 9. Echinoderida. <em>Lunds Universitets Årsskrift N. F., Avdeling 2, Bd. 49 / Kunglige Fysiografiska Sällskapets Handlingar N. F. Bd. 64.</em> (4): 1-8, Figs 1-7.
note: Lang illustrated the ventral side of segments 10-11 and provided further morphological information. [details] Available for editors
additional source
Neuhaus, B. (2013). 5. Kinorhyncha (= Echinodera). In: Schmidt-Rhaesa, A. (Ed.), Handbook of Zoology, Gastrotricha, Cycloneuralia and Gnathifera, Volume 1: Nematomorpha, Priapulida, Kinorhyncha, Loricifera. Walter de Gruyter, Berlin,. pp. 181-348. (look up in IMIS), available online at https://doi.org/10.1515/9783110272536.181 [details] Available for editors
Syntype uncatalogued (Swedish Museum of Natural History?), geounit Falkland Islands Exclusive Economic Zone [details]
Syntype uncatalogued (Swedish Museum of Natural History?), geounit Falkland Islands Exclusive Economic Zone [details]
Syntype uncatalogued (Swedish Museum of Natural History?), geounit Falkland Islands Exclusive Economic Zone [details]
From editor or global species database
Etymology [The name of the species was derived from Latin spinosus, bearing spines, and referred to the middorsal spinose processes more pronounced in this species in comparison with the remaining species of the genus known at that time.] [details]