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
  -
"Pisces indet." = Osteichthyes4
"Pisces indet." = Osteichthyes4 Huxley 1880 bony fish
Osteichthyes
 Salientia -
Reptilia
 Testudines - Panchelidae
Bonapartemys bajobarrealis n. gen. n. sp.3, Prochelidella argentinae n. gen. n. sp.3
Bonapartemys bajobarrealis n. gen. n. sp.3 Lapparent de Broin and de la Fuente 2001 sideneck turtle
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
 Saurischia -
Sauropoda indet.1 sauropod
"indeterminate sauropod with platycoelous caudals housed at the UNP"
 Saurischia - Titanosauridae
Epachthosaurus sciuttoi n. gen. n. sp.5
Epachthosaurus sciuttoi n. gen. n. sp.5 Powell 1990 titanosaurid
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