Porteiras, Missão Velha (Cretaceous to of Brazil)

Also known as Araripe Plateau, Chapada do Araripe

Where: Ceará, Brazil (7.3° S, 39.1° W: paleocoordinates 7.1° S, 6.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Missão Velha Formation (Vale do Carirí Group), Early/Lower Cretaceous to Early/Lower Cretaceous (145.0 - 113.0 Ma)

• Age is difficult to constrain sue to lack of diagnostic fossils and lack of horizons suitable for radiometric dating. The formation underlies the Crato formation, so is generally considered to be pre-Aptian in age.

• bed-level stratigraphic resolution

Environment/lithology: channel lag; sandstone

Size classes: macrofossils, mesofossils

Collected in 1988

Primary reference: P. M. Brito, R. J. Bertini, D. M. Martill and L. O. Salles. 1994. Vertebrate fauna from the Missão Velha Formation (Lower Cretaceous, N.E. Brazil). Boletim do 3° sobre o Cretáceo do Brasil, Campus de Rio Claro/SP, UNESP 139-140 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 59355: authorized by Matthew Carrano, entered by Matthew Carrano on 28.03.2006, edited by Mark Bell

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodontidae indet. Agassiz 1834 elasmobranch
UERJ-PMB 150, 152, 156
Hybodus sp. Agassiz 1834 elasmobranch
Planohybodus peterboroughensis Rees and Underwood 2008 elasmobranch
UERJ-PMB 140a-q
 Hybodontiformes - Acrodontidae
Acrodus sp. Agassiz 1834 elasmobranch
 Hybodontiformes - Lonchidiidae
Lonchidiidae indet. Herman 1977 elasmobranch
UERJ-PMB 149
Parvodus rugianus Ansorge 1990 elasmobranch
UERJ-PMB 148a-d
Osteichthyes
 Ceratodontiformes - Neoceratodontidae
Neoceratodus sp. Castelnau 1876 Queensland lungfish
Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
Mawsonia cf. gigas Mawson and Woodward 1907 coelacanth
Amphibia
  -
? Amphibia indet. Linnaeus 1758 tetrapod
Reptilia
 Testudines - Pelomedusidae
Pelomedusidae indet. Cope 1868 sideneck turtle
 Squamata -
 Loricata -
Mesosuchia indet. Huxley 1875 crocodilian
 Theropoda -
 Saurischia -
Actinopteri
 Lepisosteiformes -
Lepidotes sp. Agassiz 1832 gar
 Pholidophoriformes - Pleuropholidae
 Aspidorhynchiformes - Aspidorhynchidae