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The Echinoid Directory

Subfamily Hyposaleniinae Mortensen, 1934, p. 165

Diagnosis Saleniidae with:
  • periproct lying on anterior-posterior axis bounded by suranal plate and posterior three genital plates;
  • tubercles imperforate throughout;
  • ambulacral plating bigeminate; sometimes unigeminate aborally.
    • Range Late Jurassic (Oxfordian) to Early Palaeocene (Danian); Europe, North Africa and Former Soviet Union.
    Classification and/or Status Calycina, Salenioida, Saleniidae
    Remarks Readily distinguished from Saleniinae by having the periproct symmetrically positioned along the axis between ambulacrum III and interambulacrum 5.

    Mortensen, T. 1934. New Echinoidea (Preliminary Notice). Videnskabelige Meddelelser fra Danks naturhistorisk Forening i København, 98, 161-167.