Ponta da Guia, São Luís (Cretaceous of Brazil)

Also known as Praia da Guia; Leonardi locality 117

Where: Maranhão, Brazil (2.5° S, 44.3° W: paleocoordinates 9.5° S, 19.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Alcântara Formation (Itapecuru Group), Cenomanian (100.5 - 93.9 Ma)

• upper part of group

• bed-level stratigraphic resolution

Environment/lithology: paralic; burrowed, fine-grained, medium sandstone and fine-grained, silty sandstone

• a tidal plain
• prints in Lithofacies A: "fine arenite, quartzose, yellowish color...with levels of greenish silty clay...channel and tabular cross-stratification of small size, plano-parallel laminations, undulation marks, dessication cracks, climbing ripples, and clay intraclasts. The prints were found in this lithofacies in a fine-silty arenite."

Size class: macrofossils

Preservation: mold/impression, trace

Collected by I. d. S. Carvalho in 1991

Collection methods: surface (in situ),

Primary reference: C. S. Ferreira, S. A. K. Azevedo, I. S. Carvalho, R. A. Gonçalves, and M. A. Vicalvi. 1992. Os fósseis da Formação Itapecuru [Fossil bones from the Itapecuru Formation]. 2o Simpósio sobre as Bacias Cretácicas Brasileiras, Rio Claro–São Paulo, 8 a 11/7/92. Resumos Expandidos 107-110 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67221: authorized by Matthew Carrano, entered by Matthew Carrano on 15.11.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Theropoda -
Theropoda indet.1, Theropoda indet.1
Theropoda indet.1 Marsh 1881 theropod
Theropoda indet.1 Marsh 1881 theropod
or small carnosaurs
 Ornithischia - Hadrosauridae
"Hadrosauridae" indet.2
1Carvalho 2004; 2Carvalho and Pedrão 2000