Srivastava, D. K.; Rana, R. S.; Singh, H. (2008). Record of Megapneustes Gauthier (Brissid echinoid) from the Khuiala Formation, Jaisalmer District, Rajasthan, India. Journal of the Palaeontological Society of India. 53: 31-36.

176114

Srivastava, D. K.; Rana, R. S.; Singh, H.

2008

53: 31-36

Publication

The spatangoid genus Megapneustes Gauthier, 1899 is recorded, for the first time, from the Khuiala Formation (early Eocene) exposed at Gharollia Hill, near Pariwar village, Jaisalmer district, Rajasthan, India. The specimens are placed in a new species characterised by its large, heartshaped test with moderate frontal sinus; dome-shaped aboral surface; flat oral surface; anteriorly eccentric ethmolytic, monobasal apical system; anteriorly eccentric, kidney-shaped, labiate peristome; long, subpetaloid petals; inframarginal periproct at the posterior truncation and perforate, crenulated tubercles.

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