original description
(of Abatus cavernosus var. bidens Mortensen, 1910) Mortensen, T. (1910). The Echinoidea of the Swedish South Polar Expedition. <em>Wissenschaftliche Ergebnisse der Schwedischen Südpolar Expedition 6/4.</em> 1-114., available online at https://www.biodiversitylibrary.org/page/6227595
page(s): 73; pl. 19: figs 32, 35, 39, 42 [details]
basis of record
David, B., T. Choné, A. Festeau & C. de Ridder (2004). Antarctic Echinoids, an Interactive Database. Editions Universitaires Dijon. Cd Rom. (look up in IMIS) [details]
additional source
Mortensen, T. (1951). A Monograph of the Echinoidea. V, 2. Spatangoida II. Amphisternata II. Spatangidæ, Loveniidæ, Pericosmidæ, Schizasteridæ, Brissidæ, 593 pp., C. A. Reitzel, Copenhagen.
page(s): 256 [details]
additional source
Clarke, Andrew; Johnston, Nadine M. (2003). Antarctic marine benthic diversity. <em>Oceanography and Marine Biology: an Annual Review.</em> 41: 47-114. (look up in IMIS) [details] Available for editors [request]
From editor or global species database