Tobas con mamíferos (Laguna de La Bombilla) (Eocene of Argentina)

Also known as Aguada de Batistin

Where: Chubut, Argentina (44.2° S, 69.2° W: paleocoordinates 46.7° S, 59.2° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Casamayoran mammal zone, Casamayoran (56.0 - 48.0 Ma)

Environment/lithology: terrestrial; lithified, concretionary tuff

• Tobas y bentonitas rosadas, con frecuentes concreciones silíceas. / Pink tuffs and bentonites with some siliceous concretions

Size class: mesofossils

Primary reference: R. Pascual. 1965. Un nuevo Condylarthra (Mammalia) de edad Casamayorense de Paso de Los Indios (Chubut, Argentina). Breves consideraciones sobre la edad Casamayorense. Ameghiniana 4(2):57-65 [C. Jaramillo/C. Suarez-Gomez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141758: authorized by Carlos Jaramillo, entered by Catalina Suarez-Gomez on 31.03.2013, edited by Richard Butler, Jelle Zijlstra and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Boidae
Boinae indet.1
Boinae indet.1 Gray 1825 boa
MLP 66-V-4-47, portion of vertebral column with six incomplete trunk vertebrae
Mammalia
 Notoungulata - Notopithecidae
Notopithecus sp.3
Notopithecus sp.3 Ameghino 1897 notoungulate
 Panameriungulata - Didolodontidae
Oxybunotherium praecursor n. gen. n. sp.
Oxybunotherium praecursor n. gen. n. sp. Pascual 1965 placental
MLP 59.II.28.107
 Polydolopimorphia - Polydolopidae
Polydolops thomasi2, Amphidolops serrula2, Eudolops tetragonus2
Polydolops thomasi2 Ameghino 1897 metatherian
MLP 59-11-28-81, 59-11-28-82, 59-11-28-83, 59-11-28-84, 59-11-28-85, 66-V-4-21, 66-V-4-22, 66-V-4-23, 66-V-4-24, 66-V-4-26, 66-V-4-27, 69-111-28-28
Amphidolops serrula2 Ameghino 1902 metatherian
MLP 59-11-28-86 and 66-V-4-25
Eudolops tetragonus2 Ameghino 1897 metatherian
MLP 59-11-28-79 and 59-11-28-80
1Albino 1993; 2Marshall 1982; 3Reguero and Prevosti 2010