Fig. 3
From: Urchins on the edge: an echinoid fauna with a mixed environmental signal from the Eocene of Jamaica
Oligopygus sp. from the Guys Hill Formation of Jamaica. RGM 791 239. Note how the tuberculation is largely lost in most specimens. a Apical view, some ambulacra damaged. b Oral view, peristome partly occluded by limestone. RGM 791 241. c Apical view. d Oral view. Peristome outlines (e–h). e RGM 791 238. f RGM 791 242. g RGM 791 246. h RGM 791 251. Specimens uncoated. Scale bars represent 10 mm