Praia Grande do Rodizio tracksite (Cretaceous of Portugal)

Where: Lisboa, Portugal (38.8° N, 9.4° W: paleocoordinates 31.9° N, 1.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Camadas de Almargem Formation, Early/Lower Aptian (125.5 - 122.5 Ma)

• footprints are found at three levels within the locality

• group of beds-level stratigraphic resolution

Environment/lithology: marine; silty limestone and calcareous marl

• footprints are in a series of limey benches of marls with ostreids; intercalated with marly limestones & limestones with numerous invertebrates.

Size class: macrofossils

Preservation: trace

Primary reference: J. Madeira and R. Dias. 1983. Novas pistas de dinossáurios no Cretácico Inferior. Comunicacoes dos Servicios Geologicos de Portugal 69(1):147-158 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 32320: authorized by Matthew Carrano, entered by Matthew Carrano on 23.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral
 Spatangoida - Toxasteridae
Heteraster oblongus Brogniart 1821 heart urchin
 Ornithischia -
Iguanodon sp. Mantell 1825 ornithopod
 Saurischia -
Brontopodus sp. Farlow et al. 1989 sauropod
 Theropoda -
Megalosauropus sp. Colbert and Merrilees 1967 theropod
Bryozoa indet. Ehrenberg 1831
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster
 Heterostropha - Nerineidae
Nerineidae indet. Zittel 1873 snail
 Sorbeoconcha - Naticidae
Natica sp. Scopoli 1777 moon snail
 Orbitolinacea - Orbitolinidae