Rural road at Monte Alto and Taiaçu border (Cretaceous to of Brazil)

Also known as MPMA 16

Where: São Paulo, Brazil (21.2° S, 48.5° W: paleocoordinates 25.4° S, 31.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Adamantina Formation (Bauru Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fine channel fill; fine, intraclastic, red sandstone

• Braided river channel and peripheral ephemeral small ponds. The climate was hot with long arid periods punctuated by torrential rains and flash floods.
• Decimetric fine to very fine reddish sandstones with tabular geometries,

•with cross-stratifications; abundant clay intraclasts and rare, discontinuous, mudstone laminae

Size class: macrofossils

Collected by Museu de Paleontologia de Monte Alto

Primary reference: I. d. S. Carvalho, F. M. d. Vasconcellos, and S. A. S. Tavares. 2007. Montealtosuchus arrudacamposi, a new peirosaurid crocodile (Mesoeucrocodylia) from the Late Cretaceous Adamantina Formation of Brazil. Zootaxa 1607:35-46 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114829: authorized by Philip Mannion, entered by Philip Mannion on 25.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Loricata -
Crocodyliformes indet.
Crocodyliformes indet. Hay 1930 crocodilian
fragmentary skull remains
 Loricata - Peirosauridae
Montealtosuchus arrudacamposi n. gen. n. sp.
Montealtosuchus arrudacamposi n. gen. n. sp. Carvalho et al. 2007 crocodilian
MPMA-16-0007-04 - holotype (Skull, mandible and almost complete axial and appendicular skeleton, and articulated dorsal and ventral exoskeleton [osteoderms])
 Squamata -
Boipeba tayasuensis n. gen. n. sp.
Boipeba tayasuensis n. gen. n. sp. Fachini et al. 2020 snake
MPMA 16-0008-08 - holotype
 Ichnofossils -
Skolithos sp.
Skolithos sp. Haldemann 1840
vertical invertebrate burrows