Revision of the lower gondwana Sphenopteris from India

P.K. Maithy

doi:10.54991/jop.1972.1472

Authors

P.K. Maithy Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226007, India

DOI:

https://doi.org/10.54991/jop.1972.1472

Abstract

Occurrence of Sphenopteris Brongn. Is long known from the Lower Gondwana Formations of India. Detailed morphological studies of these fronds have revealed that they differ distinctly from Sphenopteris and represent a new morphological type. Hence, a new genus Neomariopteris has been instituted to accommodate these fronds.

The previous records, Neomariopteris (Sphenopteris) polymorpha (Feistm.) n. comb., N. (S.) hughesi (Zeill.) n. comb. and N. (S.) lobiafolia are redefined and a new species Neomariopteris talchirensis is instituted.

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