FIGURE 6. Abertella miskellyi n in A new late Cenozoic species of Abertella (Echinoidea: Clypeasteroida) from Patagonia

FIGURE 6. Abertella miskellyi n. sp., Holotype MB E.7463. A: apical disc; B: peristome; C: poriferous zone of petal III; D: periproct; E: distal end of food grooves in ambulacrum I; F: tuberculation and surface structure in interambulacrum 3. Scale bars equal 10 mm. In B, D and F specimen whitened with ammonium chloride.