original description
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): 42-52; pl. 6: figs 9-12, pl. 7: fig. 3, pl. 16: figs 1, 7-8, 13, 15, 18 [details]
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
basis of record
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 
additional source
Mortensen, T. (1943). A Monograph of the Echinoidea. III, 3. Camarodonta. II. Echinidæ, Strongylocentrotidæ, Parasaleniidæ, Echinometridæ. 446 pp., C. A. Reitzel, Copenhagen.
page(s): 100-102 [details]
From editor or global species database
Sterechinus agassizi (apical system)
Sterechinus agassizi (aboral)
Sterechinus agassizi (oral)
Sterechinus agassizi (lateral)
Sterechinus agassizi (aboral)
Unreviewed
To NMNH Extant Collection (Sterechinus agassizi (1) E11262)
Hosted externally, from
synonym
To NMNH Extant Collection (Sterechinus agassizi E11262)
Hosted externally, from
synonym