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The Echinoid Directory

Family Stomopneustidae Mortensen, 1903, p. 133

Diagnosis

 Echinacea with:

  • apical disc hemicyclic, enclosing periproct;
  • pore-pairs in strongly offset arcs at ambitus and adapically;
  • ambulacral plate compounding stomopneustid;
  • Primary tubercles imperforate and non-crenulate.
Range
Upper Jurassic to Recent, Europe, North America, Middle East, North Africa.
Species Included A single family, Stomopneustidae
Classification and/or Status Carinacea, Echinacea, Stomopneustoida
Remarks

Closely resembling Stomechinidae but with coarse primary tubercles and biserial pore-pairs aborally.

The following genus probably belongs here but remains poorly known.

Plesiopeltis Lambert, 1897

Mortensen, T. 1903. The Danish Ingolf-Expedition 1895-1896. Vol. 4, No. 2. Echinoidea, pt. 1, 198 pp., 21 pls. Bianco Luno, Copenhagen.