Monte Alto II (Cretaceous of Brazil)

Also known as Locality 109, Localidade 109

Where: São Paulo, Brazil (21.3° S, 48.5° W: paleocoordinates 24.8° S, 34.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Echaporã Member (Marília Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, medium, white, argillaceous, silty sandstone

• predominately pale sandstones, medium to fine, eventually thick, silty-clay matrix, calcareous, with many subangular grains w/diameters around 500 microns

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by R. J. Bertini, R. M. Santucci, & A. C. Arruda-Campos

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

Primary reference: R. J. Bertini, R. M. Santucci, and A. C. Arruda-Campos. 2001. Titanossauros (Sauropoda: Saurischia) no Cretáceo Superior continental (Formação Marília, Membro Echaporã) de Monte Alto, Estado de São Paulo, e correlação com formas associadas do Triângulo Mineiro [Titanosaurs (Sauropoda: Saurischia) from the continental Upper Cretaceous (Marília Formation, Echaporã Member) of Monte Alto, São Paulo state, and correlation with associated forms from Triângulo Mineiro]. Geosciências 20(1):93-103 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 83263: authorized by Matthew Carrano, entered by Matthew Carrano on 14.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Abelisauridae
Abelisauridae "indet. 1"2 Bonaparte and Novas 1985 ceratosaur
MPMA 1, MPMA 2, MPMA 3, MPMA-12-00D13-97, MPMA- 12-00D14-97, MPMA-12-00D1-97, MPMA-12-00D2-97, MPMA-12-00D4-97, MPMA-12-00D5-97, and MPMA-12- 00D7-97
Abelisauridae "indet. 2"2 Bonaparte and Novas 1985 ceratosaur
MPMA 6 and MPMA 8
Abelisauridae "indet. 3"2 Bonaparte and Novas 1985 ceratosaur
MPMA 4, MPMA 5, MPMA 7, MPMA-12-00D3-97, MPMA- 12-00D8-97, MPMA-12-0D10-97, MPMA-12-0D11-97, MPMA-12-0D12-97, and MPMA-12-00D6-97
 Theropoda -
Deinonychosauria indet. Colbert and Russell 1969 maniraptoran
MPMA-73, tooth
 Saurischia - Titanosauridae
Titanosauridae indet. Lydekker 1885 titanosaurid
MPMA-01, 02, 04-11, 13-18, 22, 26-29, 31, 63
 Saurischia -
Aeolosaurus sp.1 Powell 1987 sauropod
MPMA 477 - listed as doubtful information in Martinelli et al. 2011
 Loricata -
"Mesosuchia" indet. Huxley 1875 crocodilian
MPMA-73, teeth
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
MPMA-19 (associated with indet. bone), 30