New cynodont record from the lower Triassic Panchet Formation,Damodar valley |
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Authors: | D P Das Abir Gupta |
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Institution: | 1.Op: Orissa, Nayapalli, Unit VIII,Geological Survey of India,Bhubaneswar,India;2.Palaeontology Division — I,Geological Survey of India,Kolkata,India |
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Abstract: | This paper reports the find of a new non-mammalian cynodont from the Lower Triassic Panchet Formation of the Damodar valley,
West Bengal, India. The fossil, recovered from a clay pellet rich calcareous sandstone bed, is a part of left lower jaw having
five post canines that are damaged to various extents. A combination of mammal-like advanced characters such as much enlarged
dentary, reduced post dentary bones, high coronoid process, large masseteric fossa, each post canine with a large central
cusp flanked by a distal and a mesial accessory cusps with two additional lingually positioned cingular cusps, incipient root
division and clearly demarcated crown-root juncture prompted to erect a new taxon Panchetocynodon damodarensis gen. et sp. nov. |
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