The Echinoid Directory

Loriolipedina Lambert, 1910, p. 133

Diagnostic Features
  • Test large and inflated; subglobular in profile.
  • Apical disc unknown.
  • Ambulacra straight and relatively wide. Plating trigeminate with pore-pairs strongly offset to form vertical bands. The inner pore-pair being distinctly elongate.
  • Plate compound style unknown; presumably like that of Leiopedina
  • Interambulacral plates much wider than tall; with small primary tubercle, similar to ambulacral tubercle in size. Interradial zone broad with semi-aligned granulation. On adradial side of interambulacral plate there are two secondary tubercles, almost as large as the primary, and these form horizontal rows on oral surface.
  • Primary interambulacral tubercles perforate and apparently non-crenulate (but very small).
  • Peristome unknown.
  • Perignathic girdle and spines unknown.
Distribution
Lower Oligocene, Switzerland.
Name gender feminine
Type
Loriolipedina alpina Lambert, 1910. p. 133, by original designation.
Species Included
  • Only the type species.
Classification and/or Status

Pedinoida, Pedinidae.

Monotypic; subjective junior synonym of Leiopedina Cotteau, 1866.

Remarks

Differs from Leiopedina only in having one of the pore-pairs in each triad enlarged and more elongate.

Lambert, J. 1910. Revue critique de Paleozoologie 14, p. 133.

de Loriol, P. 1875. Descriptions des echinides Tertiaires de la Suisse. Memoirs de la Societe paleontologique Suisse 2, 142 pp, 23 pls.