Srivastava, D. K. 2003. A new species of Cassiduloid echinoid Gongrochanus Kier, 1962 from the Late Cretaceous (Maastrichtian) rocks of the Ariyalur Area, Tamil Nadu, India. Journal of the Palaeontological Society of India 48, 59-64.

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Srivastava, D. K.

2003

48: 59-64

Publication

A new species of the echinoid genus Gongrochanus Kier, 1962, i.e. G. ariyalurensis has been recorded and described from the Late Cretaceous rocks of Tamil Nadu, India. The new species is characterised by having interpetaloid angle minimum between plates I & V and maximum between petals I & II and IV & V besides anteriorly excentric peristome. This study also confirms that the echinoid genus Stigmatopygus d' Orbigny. 1856 does not occur in India.

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