Cerrito Velho quarry, Araraquara (ARCE) (Cretaceous of Brazil)

Also known as Leonardi locality 50, Ouro

Where: São Paulo, Brazil (21.1° S, 47.3° W: paleocoordinates 21.9° S, 14.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Botucatu Formation (São Bento Group), Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: dune; lithified, fine-grained, red, white, yellow sandstone

• dune foresets
• eolian ripple mraks between crests of adjacent dunes; "The sandstone is fine-textured and well sorted, containing no pebbles; its colour is occasionally white, yellowish, and reddish, but more commonly it is pinkish. Nearly always it is silicified and therefore compact and hard."

Size class: macrofossils

Preservation: cast, trace

Collected by G. Leonardi in 1976–1980

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

Primary reference: G. Leonardi. 1980. On the discovery of an abundant ichno-fauna (vertebrates and invertebrates) in the Botucatu Formation s.s. in Araraquara, São Paulo, Brazil. Anais da Academia Brasileira de Ciências 52(3):559-567 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56559: authorized by Matthew Carrano, entered by Matthew Carrano on 21.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Tetrapoda -
cf. Laoporus sp.2
cf. Laoporus sp.2 Lull 1918 tetrapod
ARCE 1, 2
Mammalia
  -
Mammalia indet.2
Mammalia indet.2 Linnaeus 1758 mammal
ARCE 4 ("mammaloid" and bipedal)
Reptilia
 Dinosauria -
Dinosauria indet.2
Dinosauria indet.2 dinosaur
ARCE 7, bipedal
 Theropoda -
? Coelurosauria indet.1
? Coelurosauria indet.1 coelurosaur
ARCE 6
1Leonardi and Carvalho 2002; 2Leonardi and Godoy 1980