The Echinoid Directory

Adetaster Lambert, 1895, p. 162

Diagnostic Features
  • Test ovate, effectively without anterior sulcus; ambitus rounded; posterior truncate.
  • Apical disc structure unknown.
  • Anterior ambulacrum ?weakly sunken adapically; pore-pairs small, different from the petal pore-pairs in other ambulacra.
  • Petals cruciform; weakly sunken; anterior and posterior petals subequal in length.
  • Peristome small, subcircular and closer to centre than anterior.
  • Plastron plating unknown.
  • Periproct small and towards top of posterior truncate face.
  • No fascioles.
Distribution
Eocene, Spain.
Name gender masculine
Type
Cyclaster lucentinus Cotteau, 1890, p. 47, by original designation.
Species Included
  • Only the type species.
Classification and/or Status

Spatangoida, family indet.

Monotypic.

Remarks

Too poorly known at present to be able to place. See discussion in Mortensen (1950, p. 356).

Mortensen, T. 1950. A monograph of the Echinoidea. V. Spatangoida 1. C. A. Reitzel, Copenhagen.