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 athttps://www.biodiversitylibrary.org/page/6227595 page(s): 86-87; pl. 10: figs 1, 3, 5, 9, 14, pl. 19: fig. 40 [details]
Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Abatus agassizii Mortensen, 1910. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=160759 on 2025-07-17
Glover, A.G.; Higgs, N.; Horton, T. (2025). World Register of Deep-Sea species (WoRDSS). Abatus agassizii Mortensen, 1910. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=160759 on 2025-07-17
original descriptionMortensen, T. (1910). The Echinoidea of the Swedish South Polar Expedition. <em>Wissenschaftliche Ergebnisse der Schwedischen Südpolar Expedition 6/4.</em> 1-114., available online athttps://www.biodiversitylibrary.org/page/6227595 page(s): 86-87; pl. 10: figs 1, 3, 5, 9, 14, pl. 19: fig. 40 [details]
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
basis of recordDavid, 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 sourceMortensen, 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): 258-259 [details]
additional sourceClarke, 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
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Authority Attributed to Pfeffer by Mortensen (1910 and 1951), but name of Pfeffer is based on a collection label. Thus Mortensen (1910), who published the first description of the species is the author. [details]