Cañadón Colorado (Eocene of Argentina)

Also known as C.s.C.C., Cretáceo superior de Cañadón Colorado

Where: Chubut, Argentina (44.5° S, 68.5° W: paleocoordinates 47.0° S, 58.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Mustersan (48.0 - 42.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by S. Roth in c. 1900; reposited in the MLP

Primary reference: G. G. Simpson. 1948. The beginning of the age of mammals in South America. Part I. Bulletin of the American Museum of Natural History 91:1-232 [D. Croft/D. Croft/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176317: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 08.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata - Isotemnidae
"Eurystephanodon angusticephalus n. sp." = Rhyphodon angusticephalus
"Eurystephanodon angusticephalus n. sp." = Rhyphodon angusticephalus Roth 1904 notoungulate
MLP 12-2284, skull fragment (see also ref 73279)
 Notoungulata -
"Periphragnis harmeri" = Periphragnis harmeri, "Eurystephanodon cattanii n. sp." = Periphragnis harmeri
"Periphragnis harmeri" = Periphragnis harmeri Roth 1899 notoungulate
MLP 12-1568, dentary p2-m3
"Eurystephanodon cattanii n. sp." = Periphragnis harmeri Roth 1899 notoungulate
MLP 12-2224, broken skull (see also ref 73279)
 Panameriungulata - Proterotheriidae
"Glyphodon langi n. gen. n. sp." = Xesmodon langi
"Glyphodon langi n. gen. n. sp." = Xesmodon langi Roth 1899 placental
MLP 12-1481, poorly preserved skull