El Anfiteatro, La Bajada sector (Cretaceous to of Argentina)

Where: Río Negro, Argentina (39.3° S, 68.5° W: paleocoordinates 45.4° S, 46.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cerro Lisandro Formation (Neuquén Group), Middle Turonian to Middle Turonian (93.5 - 89.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; red claystone and medium-grained, green, yellow sandstone

• "red claystones with alternations of medium-grained sandstones with colors varying between green and yellow"

Size class: mesofossils

Collected in 2003

Primary reference: J. I. Canudo, L. Salgado, J. L. Barco, R. Bolatti, and J. I. Ruiz-Omeñaca. 2004. Dientes de dinosaurios terópodos y saurópodos de la Formación Cerro Lisandro (Cenomaniense superior-Turoniense inferior, Cretácico superior) en Río Negro (Argentina) [Theropod and sauropod dinosaur teeth from the Cerro Lisandro Formation (upper Cenomanian-lower Turonian, Upper Cretaceous) in Río Negro (Argentina)]. Geo-Temas 6(5):31-34 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 61237: authorized by Matthew Carrano, entered by Matthew Carrano on 31.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Titanosauria indet. Bonaparte and Coria 1993 sauropod
Endemas PV1
 Theropoda -
Coelurosauria indet.2 Huene 1914 coelurosaur
Endemas PV7
 Theropoda - Spinosauridae
cf. Spinosauridae indet.2 Stromer 1915 tetanuran theropod
Endemas PV6
 Theropoda -
"cf. Abelisauria indet." = Abelisauroidea2
"cf. Abelisauria indet." = Abelisauroidea2 Bonaparte 1991 ceratosaur
Endemas PV3, 4, 5, 8, 10
 Theropoda - Abelisauridae
Abelisauridae indet.1 Bonaparte and Novas 1985 ceratosaur
Endemas PV2