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Notharctus tenebrosus
Temporal range: Eocene
Notharctus tenebrosus
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Primates
Suborder:
Strepsirrhini
Family:
†Notharctidae
Genus:
†Notharctus
Species:
†N. tenebrosus
Binomial name
†Notharctus tenebrosus
Leidy, 1870
Notharctus tenebrosus was an early primate from the early Eocene, some 54–38 million years ago. Its fossil was found by Ferdinand V. Hayden in 1870 in southwestern Wyoming. When first found, Notharctus tenebrosus was thought to be a small pachyderm due to the concentration of pachyderm fossils in the area. However, after Walter W. Granger's discovery of a nearly complete skeleton, also in Wyoming, it was firmly established as a primate. Notharctus tenebrosus most resembles modern-day lemurs, although they are not directly related.
Notharctus tenebrosus belonged to an extinct primate group known as Adapiformes and fossils have been found in North America. Adapiform primates were among the first primates to exhibit a set of adaptations for life in the trees, such as grasping hands, binocular vision, and flexible backs. In addition to this, small orbits in the genera indicate that they were diurnal.
"Notharctus" means false bear, while "tenebrosus" means dark or gloomy.
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Notharctustenebrosus was an early primate from the early Eocene, some 54–38 million years ago. Its fossil was found by Ferdinand V. Hayden in 1870 in...
Notharctus is a genus of adapiform primate that lived in North America and Europe during the late to middle Eocene. The body form of Notharctus is similar...
56.0–11.1 Ma PreꞒ Ꞓ O S D C P T J K Pg N Eocene – Late Miocene Notharctustenebrosus Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum:...
Temporal range: 56.0–33.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N Eocene Notharctustenebrosus Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum:...
remains of Notharctus have linked notharctine locomotion with that of living lemurs. There is also evidence of canine sexual dimorphism in Notharctus which...
Leptotomus parvus, the equid Orohippus pumilis, and the primate Notharctustenebrosus, pointing to a Bridgerian age for the formation. The formation was...
†Notharctus †Notharctus robinsoni – type locality for species †Notharctus robustior †Notharctustenebrosus – type locality for species †Notharctus venticolus...
(Spain) by Femenias-Gual et al. (2017). Jaws referred to the species Notharctustenebrosus are described from the middle Eocene Sheep Pass Formation (Nevada...
for genus †Nevaphis nevadensis – type locality for species †Notharctus †Notharctustenebrosus Notiosorex †Nymphaeites †Nymphaeites nevadensis Contents A...
the genus Coendou. Virtual cranial endocasts of the notharctines Notharctustenebrosus and Smilodectes gracilis, as well as the adapid adapiform Adapis...
†Nexuotapirus †Niglarodon †Notharctus †Notharctus robustior †Notharctustenebrosus – type locality for species †Notharctus venticolus †Notogoneus †Nototamias...
Gunnell, Gregg F.; Emry, Robert J. (2017-07-04). "New cranial material of Notharctus (Mammalia, Primates, Notharctidae) from the Sheep Pass Formation, Elderberry...
Eocene Adapidae (Mammalia, Primates) in North America: Smilodectes and Notharctus". Journal of Paleontology. 53 (1). Paleontological Society: 153–163. Hay...