Srivastava, D. K. & Kulshreshtha, S. K. (2009). A new record of a schizasterid (Echinoidea) from the Khuiala Formation, Jaisalmer District, Rajasthan, India. Journal of the Palaeontological Society of India. 54: 229-232.

278785

Srivastava, D. K. & Kulshreshtha, S. K.

2009

54: 229-232

Publication

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The schizasterid echinoid genus Hypselaster Clark, 1917 is recorded, for the first time, from the sediments of the Khuiala Formation (early Eocene) exposed near Sanu, Jaisalmer district, Rajasthan, India. The specimens are placed in a new species characterised by its large, oval test with weak frontal sinus; posteriorly eccentric ethmolytic apical system with two gonopores; anteriorly eccentric kidney-shaped peristome; long, petaloid anterior petals and very short posterior petals; longitudinally oval periproct at the posterior truncation and perforate, crenulated tubercles.

Echinoidea

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