São Bento quarry, Araraquara (ARSB) (Cretaceous of Brazil)

Also known as Leonardi locality 50, Corpedras, Ouro

Where: São Paulo, Brazil (21.8° S, 48.1° W: paleocoordinates 22.7° S, 15.5° W)

• coordinate stated in text

• 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, mold/impression, trace

Collected by G. Leonardi, M. Fernandes 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 56560: authorized by Matthew Carrano, entered by Matthew Carrano on 21.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• supposed dinosaur urolites present as well; also invertebrate traces
Reptilia
 Ornithischia -
Ornithopoda indet.1 ornithopod
 Theropoda -
Theropoda indet.1 theropod
includes footprints and urolites
Osteichthyes
 Synapsida - Chelichnopodidae
Brasilichnium elusivum n. sp.1 Leonardi 1981 synapsid
MNRJ 3902-V, 3903-V; IGSP; ARSB 62, 73, 97
Mammalia
  -
Mammalia indet.1 Linnaeus 1758 mammal
 Multituberculata -
? Tritylodontoidea indet.2 Simpson 1928 multituberculate
unclassified
  -
Arthropoda indet.2 Latreille 1829