Camadas de Alcobaça
Encyclopedia
The Camadas de Alcobaça is a geological formation in Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

. It dates back to the Oxfordian stage
Oxfordian stage
The Oxfordian is, in the ICS' geologic timescale, the earliest age of the Late Jurassic epoch, or the lowest stage of the Upper Jurassic series. It spans the time between 161.2 ± 4 Ma and 155.7 ± 4 Ma...

 of the Late Jurassic
Late Jurassic
The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 161.2 ± 4.0 to 145.5 ± 4.0 million years ago , which is preserved in Upper Jurassic strata. In European lithostratigraphy, the name "Malm" indicates rocks of Late Jurassic age...

.

Vertebrate fauna

Dinosaur eggs are geographically located in Distrito do Lisboa, Portugal. Dinosaur tracks are geographically located in Distrito do Leiria, Portugal.

Ornithischians

Indeterminate euornithopod remains located in Distrito do Lisboa. Indeterminate stegosaurid remains present in Lisboa District.
Ornithischians of the Camadas de Alcobaça
Genus Species District Stratigraphic position Abundance Notes Images

Dacentrurus
Dacentrurus
Dacentrurus , originally known as Omosaurus, was a large stegosaur of the Late Jurassic Period .-Description:...


D. armatus

Lisboa


Hypsilophodon
Hypsilophodon
Hypsilophodon is an ornithopod dinosaur genus from the Early Cretaceous period of Europe. It was a small bipedal animal with an herbivorous or possibly omnivorous diet...


Indeterminate

Lisboa

Iguanodon
Iguanodon
Iguanodon is a genus of ornithopod dinosaur that lived roughly halfway between the first of the swift bipedal hypsilophodontids and the ornithopods' culmination in the duck-billed dinosaurs...


I. prestwichi

Leiria

Later found to be possible indeterminate stegosaurid remains.

Trimucrodon
Trimucrodon
Trimucrodon is a genus of herbivorous dinosaur from the Late Jurassic or Early Cretaceous of what is now Portugal...


T. cuneatus

Lisboa

Later determined to be indeterminate ornithischian remains.

Saurischians

Indeterminate sauropod remains located in Leiria and Lisboa.

Saurischians reported from the Camadas de Alcobaça
Genus Species District Stratigraphic position Abundance Notes Images

Allosaurus
Allosaurus
Allosaurus is a genus of large theropod dinosaur that lived 155 to 150 million years ago during the late Jurassic period . The name Allosaurus means "different lizard". It is derived from the Greek /allos and /sauros...


Indeterminate

Leiria



Brachiosaurus
Brachiosaurus
Brachiosaurus is a genus of sauropod dinosaur from the Jurassic Morrison Formation of North America. It was first described by Elmer S. Riggs in 1903 from fossils found in the Grand River Canyon of western Colorado, in the United States. Riggs named the dinosaur Brachiosaurus altithorax,...


B. atalaiensis

Lisboa


Ceratosaurus
Ceratosaurus
Ceratosaurus meaning "horned lizard", in reference to the horn on its nose , was a large predatory theropod dinosaur from the Late Jurassic Period , found in the Morrison Formation of North America, in Tanzania and Portugal...


Indeterminate

Lisboa

Dinheirosaurus
Dinheirosaurus
Dinheirosaurus is a genus of diplodocid sauropod dinosaur. It has been found in the upper section of the Late Jurassic strata of the Camadas de Alcobaça Formation located in central-western Portugal at Porto Dinheiro, Lourinhã...


D. lourinhanensis

Lisboa

"[Two] cervicals, [nine] dorsals, ribs, limb elements."

Lourinhasaurus
Lourinhasaurus
Lourinhasaurus was a sauropod dinosaur genus hailing from Late Jurassic strata from two localities in Estremadura, Portugal. It was described by Dantas et al. in 1998. Its type species is L...


L. alenquerensis

Lisboa

Megalosaurus
Megalosaurus
Megalosaurus is a genus of large meat-eating theropod dinosaurs of the Middle Jurassic period of Europe...


M. insignis

Lisboa

Later determined to be indeterminate theropod remains.
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