| Lophiaspis Temporal range: Ypresian | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Perissodactyla |
| Family: | † Lophiodontidae |
| Genus: | † Lophiaspis Depéret, 1910 |
| Species | |
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Lophiaspis is an extinct genus of early perissodactyl endemic to southern Europe during the Early to Middle Eocene, living from 55.8 to 37.2 Ma. [1] Remains have been found from France, Spain, and Portugal. [1]
Barn-owls are one of the two families of owls, the other being the true owls or typical owls, Strigidae. They are medium to large owls with large heads and characteristic heart-shaped faces. They have long, strong legs with powerful talons. They also differ from the Strigidae in structural details relating in particular to the sternum and feet.
Podocnemididae is a family of pleurodire (side-necked) turtles, once widely distributed. Most of its 20 genera and 30 species are now extinct. Seven of its eight surviving species are native to South America: the genus Peltocephalus, with only one species ; and the genus Podocnemis, with six living species of South American side-necked river turtles. There is also one genus native to Madagascar: Erymnochelys, the Madagascan big-headed turtle, whose single species E. madagascariensis.
Gastornis is an extinct genus of large flightless birds that lived during the mid Paleocene to mid Eocene epochs of the Paleogene period. Fossils have been found in Europe, Asia and North America, with the remains from North America originally assigned to the genus Diatryma.
Palaeophis is an extinct genus of marine snake that is the type genus of the extinct snake family Palaeophiidae.
Lophiodon is an extinct genus of mammal related to chalicotheres. It lived in Eocene Europe between 52 to 38 million years ago, and was previously thought to be closely related to Hyrachyus.
Procaimanoidea is an extinct genus of alligatorid from the Eocene of North America. It was named posthumously in 1946 by Charles W. Gilmore; the type species is P. utahensis, from the Uintan of Utah. It is based on USNM 15996, a nearly complete skull and partial left hind leg. A second species, P. kayi, was named in 1941 by C.C. Mook as a species of Hassiacosuchus, for remains from the Bridgerian of Wyoming. It was reassigned to Procaimanoidea in 1967 by Wassersug and Hecht.
Allognathosuchus is an extinct genus of alligatorine crocodylian with a complicated taxonomic history. It was named in 1921.
Allaeochelys is an extinct genus of Carettochelyid turtle, known from the Eocene to Miocene of Europe, Asia, North America and Africa.
Menatalligator is an extinct monospecific genus of alligatorid crocodilian. Fossils have been found that are Eocene in age from a locality in the commune of Menat in the Puy-de-Dôme department of France. The type and only species, named in 1937, is M. bergouniouxi.
Lophiodontidae is a family of browsing, herbivorous, mammals in the Perissodactyla suborder Ancylopoda that show long, curved and cleft claws. They lived in southern Europe during the Eocene epoch. Previously thought to be related to tapirs, it is now thought that they were most likely related to early chalicotheres, although they are distinct from that group.
Parapithecoidea is an extinct superfamily of primates which lived in the Eocene and Oligocene periods in Egypt. In some classifications all Parapithecoidea are placed within the family Parapithecidae. Seiffert et al. (2010) propose that Parapithecoidea arose during the Bartonian, with a split between Biretia and the Parapithecidae occurring early in the Priabonian.
Simbakubwa is an extinct genus of hyainailourid hyaenodonts from paraphyletic subfamily Hyainailourinae that lived in Kenya during the early Miocene.
Isotemnus is an extinct genus of notoungulate belonging to the family Isotemnidae. It lived from the Late Paleocene to the Middle Eocene of what is now Argentina.
Sinopidae is an extinct family of predatory placental mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from early to middle Eocene deposits in North America, Europe and Asia.
Hyaenodontoidea is a superfamily of extinct predatory mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from early Eocene to early Miocene deposits in North America, Europe and Asia.
Proviverridae is an extinct family of placental mammals from extinct superfamily Hyaenodontoidea within extinct order Hyaenodonta. Fossil remains of these mammals are known from early to late Eocene deposits in Europe.
Hyaenodontinae is an extinct subfamily of predatory placental mammals from extinct family Hyaenodontidae. Fossil remains of these mammals are known from early Eocene to early Miocene deposits in Europe, Asia and North America.
Indohyaenodontidae is an extinct family of placental mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from early to late Eocene deposits in Asia.
Hyainailouroidea ("hyena-cats") is a paraphyletic superfamily of extinct predatory mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from middle Eocene to late Miocene deposits in North America, Europe, Africa and Asia.
Boualitomidae is a family of extinct predatory mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from middle Paleocene to late Eocene deposits in Africa. Boualitomids had only three pairs of premolars in the lower dentition, lacking the first one.
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