Test flattened above and below, the sides arched, ambitus rounded, apical system ca. half h.d., peristome one third ... [details]
Test hemispherical, the oral side rather flattened in the adult stage. Primary ambulacral tubercles contiguous ... [details]
Station 34 (130 fathoms), Chatham Islands Expedition 1954 [details]
South and East New Zealand [details]
HT: Canterbury Museum, Christchurch (H.d. 27 mm, ht. 17 mm; pl. 5: fig. b; one out of a lot of five specimens) [no ... [details]