Sparassodonta
From Wikipedia, the free encyclopedia
Sparassodonta Fossil range: Paleocene-Pleistocene |
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†Mayulestidae |
Sparassodonta is an extinct order of carnivorous metatherians mammals native to South America. They were once considered to be true marsupials, but are now thought to be a sister taxon to them.[1] A number of these mammalian predators closely resemble placental predators that evolved separately on other continents, and are cited frequently as examples of convergent evolution.
They were first described by Florentino Ameghino, from fossils found in the Santa Cruz beds of Patagonia. Genera include Borhyaena, Thylacosmilus, Prothylacinus, Amphiproviverra, etc.
[edit] Classification
- †Order Sparassodonta[2]
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- †Genus Pseudonotictis
- †Genus Sallacyon
- †Family Mayulestidae
- †Genus Mayulestes
- †Genus Allqokirus
- †Family Hathliacynidae
- †Genus Patene
- †Genus Palaeocladosictis
- †Genus Procladosictis
- †Genus Pseudocladosictis
- †Genus Notogale
- †Genus Cladosictis
- †Genus Sipalocyon
- †Genus Thylacodictis
- †Genus Agustylus
- †Genus Ictioborus
- †Genus Amphithereutes
- †Genus Parathereutes
- †Genus Chasicostylus
- †Genus Notictis
- †Genus Notocynus
- †Genus Borhyaenidium
- †Family Borhyaenidae
- †Genus Nemolestes
- †Genus Argyrolestes
- †Genus Angelocabrerus
- †Genus Pharsophorus
- †Genus Borhyaena
- †Genus Pseudoborhyaena
- †Genus Acrocyon
- †Genus Conodonictis
- †Genus Eutemnodus
- †Genus Parahyaenodon
- †Family Proborhyaenidae
- †Genus Arminiheringia
- †Genus Paraborhyaena
- †Genus Proborhyaena
- †Family Prothylacinidae
- †Genus Pseudothylacinus
- †Genus Prothylacynus
- †Genus Lycopsis
- †Genus Stylocynus
- †Genus Pseudolycopsis
- †Family Thylacosmilidae
- †Genus Achlysictis
- †Genus Amphiproviverra
- †Genus Hyaenodontops
- †Genus Notosmilus
- †Genus Thylacosmilus
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[edit] References
- ^ Naish, Darren (29 June 2008). "Invasion of the marsupial weasels, dogs, cats and bears... or is it?". Tetrapod Zoology. http://scienceblogs.com/tetrapodzoology/2008/06/borhyaenoids_intro.php. Retrieved on 2008-12-7.
- ^ http://www.helsinki.fi/~mhaaramo/metazoa/deuterostoma/chordata/synapsida/metatheria/notometatheria/sparassodonta/sparassodonta.html#Borhyaenidae
- "Sparassodonta". Encyclopædia Britannica (11th ed.). 1911.