PBDB Collection

Estancia Criado (Miocene of Argentina)

Also known as Pilcaniyeu viejo

Where: Río Negro, Argentina (41.0° S, 70.6° W: paleocoordinates 41.6° S, 66.2° W)

• coordinate stated in text

• local area-level geographic resolution

When: Tobaceo Las Bayas Member (Collón Cura Formation), Colloncuran (15.5 - 13.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial; volcaniclastic tuff

• Tobas cineríticas de composición dacítica, de depositación subaerea y estratificación poco definida.

Size class: macrofossils

Reposited in the MLP

Primary reference: P. Bondesio, J. Rabassa, R. Pascual, M. G. Vucetich, and G. J. Scillato-Yané. 1980. La formación Collon-Cura de Pilcaniyeu Viejo y sus alrededores (Río Negro, República Argentina) su antiguedad y las condiciones ambientales según su distribución su litogenesis y sus vertebrados. Actas del Segundo Congreso Argentino de Paleontología y Bioestratigrafía y Primer Congreso Latinoamericano de Paleontología 3:85-99 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140691: authorized by Carlos Jaramillo, entered by Juan Carrillo on 14.03.2013, edited by Miranta Kouvari and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

• Vera et al 2017: Some specimens are new and some are un-published specimens of Roth’s (1899) old collection curated at Museo de La Plata.

Show authors, comments, and common names

Reptilia
Testudines - Testudinidae	Chelonoidis sp.¹ Chelonoidis sp.¹ Fitzinger 1835 turtle
Mammalia
Rodentia - Dasyproctidae	Dasyproctidae indet.⁴ Dasyproctidae indet.⁴ Gray 1825 caviomorph MLP 73-VII-8-7
Rodentia - Eocardiidae	Megastus sp. Megastus sp. Roth 1898 caviomorph
Rodentia - Chinchillidae	Pliolagostomus friasensis⁴, Prolagostomus sp. Pliolagostomus friasensis⁴ Vucetich 1984 chinchilid MLP 74-II-1-29a & 31, 35, 36 Prolagostomus sp. Ameghino 1887 chinchilid
Rodentia -	Stichomys sp. Stichomys sp. Ameghino 1887 caviomorph
Panameriungulata - Macraucheniidae	Theosodon sp. Theosodon sp. Ameghino 1887 placental
Cingulata - Peltephilidae	Peltephilidae indet.² Peltephilidae indet.² edentate MLP 74-II-1-23
Cingulata - Chlamyphoridae	"Prozaedius sp." = Prozaedyus, Stenotatus sp., Proeutatus sp. "Prozaedius sp." = Prozaedyus Ameghino 1891 edentate Stenotatus sp. Ameghino 1891 edentate Proeutatus sp. Ameghino 1891 edentate
Notoungulata - Interatheriidae	Interatherium sp., "Protypotherium sp." = Protypotherium, Protypotherium colloncurensis³, "Epipatriarchus sp." = Protypotherium, "Protypotherium endiadys" = Protypotherium praerutilum³ Interatherium sp. Ameghino 1887 notoungulate "Protypotherium sp." = Protypotherium Ameghino 1882 notoungulate Protypotherium colloncurensis³ Vera et al. 2017 notoungulate "Epipatriarchus sp." = Protypotherium Ameghino 1882 notoungulate "Protypotherium endiadys" = Protypotherium praerutilum³ Ameghino 1887 notoungulate
Notoungulata - Hegetotheriidae	Pachyrukhos sp., Hegetotherium sp. Pachyrukhos sp. Ameghino 1885 notoungulate Hegetotherium sp. Ameghino 1887 notoungulate

¹de la Fuente et al. 2018; ²González-Ruiz et al. 2013; ³Vera et al. 2017; ⁴Vucetich 1984