Leaf impressions from oligocene sediments of Manmao, Tirap District, Arunachal Pradesh, India

Abstract

A new fossiliferous locality Manmao has recently been discovered in Tirap District of Arunachal Pradesh. The leaf impressions recorded from the area are considered of Oligocene in age. As no plant megafossil is known from these beds. for the first time three fossil leaf impressions. namely Palmacites sp. of Palmae, Alstonia arunachalensis sp. nov. of Apocynaceae and Dicotylophyllum oligocenicum sp. nov. have been reported from here.