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Sinopidae Sp
Sinopidae ("swift foxes") is a family of extinct predatory mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from early to middle Eocene deposits in North America, Europe and Asia. Classification and phylogeny Taxonomy * Family: †Sinopidae ** Genus: †'' Acarictis'' *** †''Acarictis ryani'' ** (unranked): †''Sinopa'' clade *** Genus: †'' Prototomus'' ( paraphyletic genus) **** †''Prototomus deimos'' **** †''Prototomus girardoti'' **** †''Prototomus martis'' **** †''Prototomus minimus'' **** †''Prototomus phobos'' **** †''Prototomus robustus'' **** †''Prototomus secundarius'' **** †''Prototomus viverrinus'' *** Genus: †''Sinopa'' **** †''Sinopa jilinia'' **** †''Sinopa lania'' **** †''Sinopa longipes'' **** †''Sinopa major'' **** †''Sinopa minor'' **** †''Sinopa piercei'' **** †''Sinopa pungens'' **** †''Sinopa rapax'' **** †''Sinopa'' sp. A 'AMNH FM 11538'' *** ''Incertae sedis ...
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Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', "dawn") and (''kainós'', "new") and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. The Eocene spans the time from the end of the Paleocene Epoch to the beginning of the Oligocene Epoch. The start of the Eocene is marked by a brief period in which the concentration of the carbon isotope Carbon-13, 13C in the atmosphere was exceptionally low in comparison with the more common isotope Carbon-12, 12C. The end is set at a major extinction event called the ''Grande Coupure'' (the "Great Break" in continuity) or the Eocene–Oligocene extinction event, which may be related to the impact of one or more large bolides in Popigai impact structure, Siberia and in what is now ...
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Pyrocyon
''Pyrocyon'' ("fire dog") is a genus of small carnivorous hyaenodontids that lived in North America during the early Eocene. Fossils of ''Pyrocyon'' have been found in Wyoming and Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t .... Weight of ''Pyrocyon dioctetus'' has been estimated at around 2.6 kilograms. Phylogeny The phylogenetic relationships of genus ''Pyrocyon'' are shown in the following cladogram. References Hyaenodonts Eocene mammals Eocene mammals of North America Eocene genus first appearances Prehistoric placental genera {{paleo-mammal-stub ...
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Orienspterodon
''Orienspterodon'' ("eastern '' Pterodon''") is an extinct genus of hyainailourid hyaenodonts from paraphyletic subfamily Hyainailourinae that lived in China and Myanmar during the middle to late Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " .... ''Orienspterodon dahkoensis'' was originally assigned to genus '' Pterodon'' in 1975, but was eventually assigned to its own genus in 2007. Phylogeny The phylogenetic relationships of genus ''Orienspterodon'' are shown in the following cladogram. References Hyaenodonts Eocene mammals of Asia Prehistoric placental genera {{paleo-mammal-stub ...
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Apterodontinae
Apterodontinae ("without winged tooth") is an extinct subfamily of hyainailourid hyaenodonts that lived in Africa and Europe during the late Eocene to middle Oligocene The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the .... Classification and phylogeny Taxonomy * Subfamily: †Apterodontinae ** Genus: †'' Apterodon'' *** †''Apterodon altidens'' *** †''Apterodon gaudryi'' *** †''Apterodon langebadreae'' *** †''Apterodon macrognathus'' *** †''Apterodon rauenbergensis'' *** †''Apterodon saghensis'' *** †''Apterodon'' sp. ur At-Talah escarpment, Libya ** Genus: †'' Quasiapterodon'' *** †''Quasiapterodon minutus'' Phylogeny The phylogenetic relationships of subfamily Apterodontinae are shown in the following cladogram: References {{Taxonbar, from=Q34514 ...
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Hyainailouroidea
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. Classification and phylogeny Taxonomy * Superfamily: †Hyainailouroidea (paraphyletic superfamily) ** Family: †Hyainailouridae (paraphyletic family) ** Family: † Prionogalidae ** Family: †Teratodontidae Teratodontidae ("monstrous teeth") is a family of extinct predatory mammals from extinct paraphyletic superfamily Hyainailouroidea within extinct order Hyaenodonta. Fossil remains of these mammals are known from Middle Eocene to Late Miocene depo ... Phylogeny The phylogenetic relationships of superfamily Hyainailouroidea are shown in the following cladogram: References {{Hyaenodonta Hyaenodonts Cenozoic mammals of North America Cenozoic mammals of Asia Cenozoic mammals of Europe Cenozoic mammals of Africa
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Teratodontidae
Teratodontidae ("monstrous teeth") is a family of extinct predatory mammals from extinct paraphyletic superfamily Hyainailouroidea within extinct order Hyaenodonta. Fossil remains of these mammals are known from Middle Eocene to Late Miocene deposits in Africa, the Arabian Peninsula, and Asia. Etymology The name of the family and subfamily translates as "monstrous teeth" (, and taxonomic suffixes " -idae" and " -inae". Classification and phylogeny Taxonomy * Family: †Teratodontidae ** Subfamily: †Teratodontinae *** Genus: †'' Anasinopa'' **** †''Anasinopa haasi'' **** †''Anasinopa leakeyi'' **** †''Anasinopa libyca'' **** †''Anasinopa napaki'' *** Genus: †'' Brychotherium'' **** †''Brychotherium atrox'' **** †''Brychotherium ephalmos'' *** Genus: †'' Ekweeconfractus'' **** †''Ekweeconfractus amorui'' *** Genus: †'' Masrasector'' **** †''Masrasector aegypticum'' **** †''Masrasector ligabuei'' **** †''Masrasector nananubis'' **** ...
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Tritemnodon
''Tritemnodon'' ("three cutting teeth") was a genus of hyaeanodontids that lived during the early Eocene.Naoko Eg (2004."A new genus and species of hyaenodontid creodont from the Pondaung Formation (Eocene, Myanmar)"''Journal of Vertebrate Paleontology'' 24(2): 502–506 Fossils of ''Tritemnodon agilis'' have been found in Utah and Wyoming (Willwood Formation of Big Horn County and the Lower Bridger Formation of Uinta County), and it was the size of a wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly un .... Phylogeny The phylogenetic relationships of genus ''Tritemnodon'' are shown in the following cladogram. References Hyaenodonts Eocene mammals of North America Prehistoric placental genera {{paleo-mammal-stub ...
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