6 km north of Estancia "Ocho Hermanos" (Cretaceous to of Argentina)

Where: Chubut, Argentina (45.3° S, 69.6° W: paleocoordinates 51.9° S, 47.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Member (Bajo Barreal Formation), Late/Upper Cenomanian to Late/Upper Cenomanian (99.6 - 89.3 Ma)

• upper portion of the Lower Member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Collected by J. C. Sciutto, J. F. Bonaparte and crew in 1980-1985

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

• site discovered by J. C. Scuitto, then worked successively by MCN (1980) and UNSJB

Primary reference: J. F. Bonaparte. 1984. Jurassic and Cretaceous terrestrial vertebrates of South America. National Geographic Society Research Reports (1975) 16:115-125 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38952: authorized by Matthew Carrano, entered by Matthew Carrano on 17.05.2004, edited by Roger Benson and Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

"Pisces indet." = Osteichthyes4
"Pisces indet." = Osteichthyes4 Huxley 1880 bony fish
 Salientia -
 Testudines - Panchelidae
Prochelidella argentinae n. gen. n. sp.3, Bonapartemys bajobarrealis n. gen. n. sp.3
Prochelidella argentinae n. gen. n. sp.3 Lapparent de Broin and de la Fuente 2001 sideneck turtle
MACN-CH-1680, anterior part of a dorsal carapace, mostly in imprint, showing the anterior border and the three first pleurals and neurals. Preserved bony part of peripherals 1 to 3 (left or right), half nuchal and lateral pleurals 1 and 2. Discovered by Dr Bonaparte
Bonapartemys bajobarrealis n. gen. n. sp.3 Lapparent de Broin and de la Fuente 2001 sideneck turtle
 Saurischia -
Sauropoda indet.1 sauropod
"indeterminate sauropod with platycoelous caudals housed at the UNP"
Epachthosaurus sciuttoi n. gen. n. sp.5 Powell 1990 sauropod
MACN-CH 1317, 18689
 Saurischia - Abelisauridae
Xenotarsosaurus bonapartei n. gen. n. sp.4 Martínez et al. 1986 ceratosaur
"a Theropoda with femora of 70 cm and with very peculiar dorsal vertebrae"
 Pterosauria -
Pterosauria indet.2 Kaup 1834 pterosaur
UNPSJB-Pv 1009, first wing phalanx
 Loricata -
Crocodylia indet.4 crocodilian