Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Cladus: Theriimorpha
Cladus: Theriiformes
Cladus: Trechnotheria
Cladus: Zatheria
Subclassis: Theria
Cladus: Eutheria
Infraclassis: Placentalia
Magnordo: Boreoeutheria
Superordo: Laurasiatheria
Cladus: †Meridiungulata
Ordo: †Notoungulata
Genus: Isotemnidae
Genus: Pampatemnus
Pampatemnus is an extinct genus of notoungulate belonging to the family Isotemnidae that lived during the Early to Middle Eocene of what is now Argentina.[1]
Etymology
The genus name, Pampatemnus, is composed of the prefix Pampa-, the Quechua word for "plain", and the suffix -temnus, from the greek word Τεμγυς, meaning "groove", a suffix commonly used by Florentino Ameghino to name genera of Isotemnidae.[1]
Description
Pampatemnus was discovered in outcrops of the Lumbrera Formation, an Eocene geological formation located in the Guachipas Department of the Salta Province. Two species attributed to the genus have been described : Pampatemnus infernalis and Pampatemnus deuterus. The species name infernalis was given to honor the Legion Infernal, a gaucho regiment who took an important role in the Spanish American wars of independence, while the name deuterus refers to the two species discovery order.[1]
References
Vucetich, Guiomar; Bond, Mariano (1982). "Los primeros Isotemnidae (Mammalia, Notoungulata) registrados en la Formación Lumbrera (Grupo Salta), del noroeste argentino". Ameghiniana. 19 (1–2): 7–18.
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