Asiadapis tapiensis: Primate of Gujarat


Manage episode 289570310 series 2908229
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First described in September of 2018, Asiadapis tapiensis lived in what is now Gujarat, north western India between 56 and 47 million years ago. Found in the Tadkeswar Lignite mine near the Tapi river, the holotype is represented by GU/RSR/TAD 9239, a fragment of lower jaw with three teeth.
The three premolar teeth resembled those of another species of primate from the Vastan Lignite Mine. The similarities between Asiadapis cambayensis and A. tapiensis were striking, but subtle differences convinced the palaeontologists that this specimen deserved a new species attribution.
The 3rd and 4th premolars of A. tapiensis were between 25 and 30% longer and narrower than those of A. cambayensis. The hypoconid of P3 and P4 was low compared to those of A. cambayensis. A. tapiensis also lacked the taloned basin and metaconids.
Based on these characteristics, A. tapiensis falls under the Superfamily Adapoidea, first described in 1879 by Édouard Louis Trouessart. Discussions over where Adapoids fit into our primate family tree have proved very controversial. That said there is much evidence that support Adapoids being the precursor to later Strepsirhines or the wet nosed primates, like lemurs.
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==Academic Papers==
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