Acromegalomma circumspectum (Moore, 1923). A) Radiolar crown, dorsal view, B) compound radiolar eyes, C₁) eye from dorsal-most radiole showing their ommatidia, C₂) ocular spot from ventral-most radiole, D) thorax and anterior abdomen anterior, ventral view (crown removed), E) thorax, dorsal view (crown removed). Scale bars: A, D–E) 4 mm, B) 0.5 mm, C₁–C₂) 0.3 mm.