ammonites
Monte Alto II (Cretaceous to of Brazil)

Also known as Locality 109, Localidade 109

Where: São Paulo, Brazil (21.3° S, 48.5° W: paleocoordinates 25.4° S, 32.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Echaporã Member (Marília Formation), Late/Upper Campanian to Late/Upper Campanian (83.5 - 65.5 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 Matt Carrano, entered by Matt Carrano on 14.08.2008