Asiadapis tapiensis: Primate of Gujarat

Asiadapis tapiensis: Primate of Gujarat

Released Saturday, 6th February 2021
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Asiadapis tapiensis: Primate of Gujarat

Asiadapis tapiensis: Primate of Gujarat

Asiadapis tapiensis: Primate of Gujarat

Asiadapis tapiensis: Primate of Gujarat

Saturday, 6th February 2021
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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==
- Asiadapis tapiensis: https://www.sciencedirect.com/science/article/pii/S0047248418300332
- Asiadapis cambayensis: https://www.sciencedirect.com/science/article/pii/S0047248409000244#fig11

Artistic Credits:
Fabio Manucci: https://www.artstation.com/artwork/baANAv
Adapoids: https://biology-forums.com/index.php?action=gallery;sa=view;id=20592

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From The Podcast

A series on the fossils that make up the Primate Fossil Record. The first primate-like mammals, or proto-primates click this icon to hear the preceding term pronounced, evolved in the early Paleocene Epoch (65.5-55.8 million years ago) at the beginning of the Cenozoic Era. They were roughly similar to squirrels and tree shrews in size and appearance. The existing, very fragmentary fossil evidence (from Asia, Europe, North Africa, and especially Western North America) suggests that they were adapted to an arboreal way of life in warm, moist climates. They probably were equipped with relatively good eyesight as well as hands and feet adapted for climbing in trees. These primate-like mammals (Plesiadapiformes click this icon to hear the preceding term pronounced) will remain rather shadowy creatures for us until more fossil data become available. The primate-like mammals do not seem to have played an important role in the general transformation of terrestrial animal life immediately following the massive global extinctions of plants and animals that occurred about 65,500,000 years ago. The most dramatic changes were brought about by the emergence of grazing and browsing mammals with tough hoofs, grinding teeth, and digestive tracts specialized for the processing of grass, leaves, and other fibrous plant materials. The evolution of these herbivorous mammals provided the opportunity for the evolution of the carnivorous mammals specialized to eat them. These new hunters and scavengers included the evolutionary lines that would later produce the dogs, cats, and bears of our time. Adaptive radiation was resulting in the rapid evolution of new species to fill expanding ecological niches, or food getting opportunities. Most of these new animals were placental mammals. With the exception of bats, none of them reached Australia and New Guinea. This explains why they did not exist there until people brought them in recent times. South America had also drifted away from Africa and was not connected to North America after 80,000,000 years ago. However, around 20,000,000 years ago, South America reconnected with North America and placental mammals streamed in for the first time, resulting in the extinction of most of the existing marsupials there.► SOCIAL MEDIA AND LINKS!• Facebook Page - https://www.facebook.com/Primnathis• Blog: https://primnathis.com/• Podcasts:Apple Podcasts: https://podcasts.apple.com/us/podcast/reframed-origins-season-one/id964666622?uo=4Spotify: https://open.spotify.com/show/2iut8VsuMgIFCIiV46lcpwGoogle Podcasts: https://www.google.com/podcasts?feed=aHR0cHM6Ly93d3cuc3ByZWFrZXIuY29tL3Nob3cvMTM3Mjg4My9lcGlzb2Rlcy9mZWVkCastbox: https://castbox.fm/channel/id3551625Deezer: https://www.deezer.com/show/1570812Podcast Addict: https://podcastaddict.com/podcast/3053550Podchaser: https://www.podchaser.com/podcasts/reframed-origins-season-1-56770JioSaavn: https://www.jiosaavn.com/shows/Reframed-Origins---Season-One/1/XajTsfEpIUE_Spreaker: https://www.spreaker.com/show/reframed-origins-our-evolution-refined

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