Praia da Baronesa, Alcântara (Cretaceous of Brazil)

Also known as Leonardi locality 118

Where: Maranhão, Brazil (2.4° S, 44.4° W: paleocoordinates 9.3° 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

• group of beds-level stratigraphic resolution

Environment/lithology: coarse channel fill; fine-grained, medium, quartzose sandstone

• tidal-channel environment

Size classes: macrofossils, mesofossils

Preservation: mold/impression, trace

Collected by I. d. S. Carvalho in 1991

Collection methods: surface (in situ),

Primary reference: I. d. S. Carvalho. 1994. As ocorréncias de ichnofósseis de vertebrados na Bacia de São Luís, Cretáceo Superior, estado do Maranhão [Occurrences of vertebrate ichnofossils in the São Luís Basin, Upper Cretaceous Maranhão state]. Boletim do 3o Simpósio sobre o Cretáceo do Brasil, Rio Claro, São Paulo. UNESP 119-122 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67225: authorized by Matthew Carrano, entered by Matthew Carrano on 15.11.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatidae indet.2 Bonaparte 1838 eagle ray
Actinopteri
 Salmoniformes - Enchodontidae
Enchodontidae indet.2 Woodward 1901
 Spariformes - Sparidae
Sparidae indet.2 Cuvier 1817
 Semionotiformes - Semionotidae
Semionotidae indet.2 Woodward 1890
Reptilia
 Testudines - Pelomedusidae
Pelomedusidae indet.2 Cope 1868 sideneck turtle
 Saurischia -
Theropoda indet.1 Marsh 1881 theropod
tracks
 Avetheropoda - Dromaeosauridae
aff. Dromaeosauridae indet.2 Colbert and Russell 1969 coelurosaur
teeth
 Squamata - Mosasauridae
Mosasauridae indet.2 Gervais 1852 mosasaur