Monocotyledon fossil leaf from the Early Cretaceous of India

被引:0
作者
Chopparapu, Chinnappa [1 ]
Rajanikanth, Annamraju [2 ]
Kavali, Pauline Sabina [3 ]
Duarte, Sarah Goncalves [4 ]
机构
[1] Andhra Loyola Coll, Dept Bot, Vijayawad 520008, Andhra Pradesh, India
[2] Ushodaya Apartments, Hyderabad 500017, India
[3] Birbal Sahni Inst Palaeosci, Lucknow 226020, Uttar Pradesh, India
[4] Univ Fed Rural Rio de Janeiro, Inst Agron, Dept Solo, BR-23890000 Seropedica, RJ, Brazil
关键词
Angiosperm; Early Cretaceous; Gangapur Formation; India; Monocot; Sahniophyllumindica gen; et sp; nov; ANGIOSPERM REMAINS; RAJMAHAL BASIN; ORIGIN; DIVERSIFICATION; AGE; HYDROCHARITACEAE; EVOLUTION; HISTORY; FERNS;
D O I
10.1590/0102-33062020abb0542
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Reports of the angiosperm macrofossils from the Early Cretaceous sediments of India are relatively poor, with only one report from the Krishna-Godavari Basin. The present study documents a monocotyledon leaf fossil from the Barremian-Aptian (Early Cretaceous) of Gangapur Formation, Pranhita-Godavari Basin, India. The present fossil leaf placed under a new genus Sahniophyllum and it is characterised by the ribbon shaped leaves, with parallel venation, arranged in rosette form suggests its probable affinity with Hydrocharitaceae. The taphocoenosis demonstrates its autochthonous preservation and aquatic habitat.
引用
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页码:621 / 626
页数:6
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