The Echinoid Directory

Contributed by Jenna Sullivan, May 2007

Echinolampas vicaryi d'Archiac and Haime, 1853, p. 213

Diagnostic Features 'Test elliptical, slightly elongated, angular posteriorly and slightly elevated. Apical disc very slightly raised, situated at about 2/5 the length of the test from the anterior. Ambulacral petals large, slightly widened, straight, flat, contracted distally, slightly inequal. Mouth situated in front of centre; slightly elongated transverally and sub-pentagonal. Oral tubercles very defined, oral petals very distinct, slightly contracted on the outside. Tubercles small, crowded; those bordering the mouth are the largest." (d'Archiac and Haime, 1853, p. 231)
Distribution Eocene of Chaine d'Hala, Sind, Pakistan; Superior Lutitian (?) (Kirthar) of Kutch. (Roman, 1965, p. 303)
Type Holotype: Natural History Museum E78551.
Classification and/or Status Species of Echinolampas.
Remarks Echinolampas beaumonti is similar but is more elevated and more convex and has less pronounced oral grooves. E. amygdala, E. ellipsoidalis, and E. desori are also more convex, but they have ambulacra that are flat, long, and closed, with peristomal grooves less defined. (d'Archiac and Haime, 1853, p. 213)

Archiac, E. J. A. D. de St. S., le Vicompte d' and Haime, J. 1853. Description des Animaux Fossiles du Groupe Nummulitique de l''Inde, Paris, : 213, pl. 14, fig. 4a, b.

Roman, J. 1965. Morphologie et Evolution des Echinolampas. Memoires du Museum National d'Histoire Naturelle. Paris. :285