Jachaleria

Jachaleria; Temporal range: Ladinian-Norian; ~240–220 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Therapsida
Clade:	†Dicynodontia
Family:	†Stahleckeriidae
Subfamily:	†Stahleckeriinae
Genus:	†Jachaleria; Bonaparte 1971
Type species
	Jachaleria colorata; Bonaparte 1971
Species
	J. candelariensis Araujo & Gonzaga 1980; J. colorata Bonaparte 1971; J. platygnathus (Cox 1968);
Synonyms
	Jacheleria [sic]; Dinodontosaurus platygnathus Cox 1968;

Jachaleria was a dicynodont herbivore that lived from the Ladinian to Norian stages of the Middle to Late Triassic, from approximately 240 to 220 million years ago. Jachaleria was one of the last representatives of the dicynodonts, occurring in Argentina and Brazil. It lacked teeth, much like Stahleckeria, but was closer in size to Dinodontosaurus.[1]

Species

Jachaleria candelariensis [2] is found near Candelária City, in the Paraná Basin of southeastern Brazil. It grew to perhaps 3 metres (9.8 ft) in length and had an estimated body mass of 300 kilograms (660 lb). Throughout the early part of the Upper Triassic dicynodonts were absent from the paleorrota and the rhynchosaurs were the dominant herbivores. At the end of Carnian, however, the rhynchosaurs became extinct and the dicynodonts appear in their place. Jachaleria candelariensis occurs in the Caturrita Formation.
Jachaleria colorata[3] is found in Argentina, in the Chañares, Ischigualasto and Los Colorados Formations of the Ischigualasto-Villa Unión Basin in northwestern Argentina. It is very similar to Jachaleria candelariensis.

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Martínez, Ricardo N.; Cecilia Apaldetti; Oscar A. Alcober; Carina E. Colombi; Paul C. Sereno; Eliana Fernández; Paula Santi Malnis; Gustavo A. Correa, and Diego Abelin. 2013. Vertebrate succession in the Ischigualasto Formation. Journal of Vertebrate Paleontology Memoir 12: Basal sauropodomorphs and the vertebrate fossil record of the Ischigualasto Formation (Late Triassic: Carnian-Norian) of Argentina. 10–30. Accessed 2019-03-29.

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