Trocado (Jurassic of Brazil)

Where: Pernambuco, Brazil (8.6° S, 37.5° W: paleocoordinates 4.2° S, 4.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Aliança Formation, Late/Upper Jurassic (161.5 - 145.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; calcareous sandstone

• shallow continental lake, with fluvial influence
• Calciferous sandstone

Size class: macrofossils

Collected in 2012-2018

• The specimens described here are deposited in the Paleontology Laboratory (PALEOLAB) of the Department of Geology, from the Center of Technology and Geosciences of the Universidade Federal de Pernambuco (DGEO-CTG-UFPE).

Primary reference: A. R. Araújo Carvalho, G. Ribeiro Oliveira, and A. M. Franca Barreto. 2021. New Crocodylomorpha remains from the late jurassic Aliança Formation (Dom João stage), Jatobá Basin. Journal of South American Earth Sciences [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132650: authorized by Philip Mannion, entered by Philip Mannion on 24.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Loricata -
Mesoeucrocodylia indet.
Mesoeucrocodylia indet. Whetstone and Whybrow 1983 crocodilian
DGEO-CTG-UFPE 8575 (partial frontal), DGEO-CTG-UFPE 8441 (vertebrae), DGEO-CTG-UFPE 8442 and 8529 (osteoderms)
Osteichthyes
 Ceratodontiformes -
Ceratodontoidea indet.
Ceratodontoidea indet. Apesteguia et al. 2007 Australian lungfish
teeth
Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
Mawsonia sp.
Mawsonia sp. Mawson and Woodward 1907 coelacanth
Actinopteri
 Lepisosteiformes -
Lepidotes sp.
Lepidotes sp. Agassiz 1832 gar
scales
Chondrichthyes
 Hybodontiformes -
Hybodontiformes indet.
Hybodontiformes indet. elasmobranch
teeth