Named By: P. Dantas, J. L. Sanz, C. M. Silva, F. Ortega, V. F. Santos & M. Cachao - 1998.
Synonyms: Apatosaurus alenquerensis, Atlantosaurus alenquerensis, Camarasaurus alenquerensis.
Classification: Chordata, Reptilia, Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Macronaria, Camarasauridae.
Species: L. alenquerensis (type).
Size: Estimated to be about 17 meters long.
Known locations: Portugal.
Time period: Late Kimmeridgian/Early Tithonian of the Jurassic.
Fossil representation: Several individuals, but usually represented only by partial remains.
of Lourinhasaurus were first described in
1957, but were
initially thought to be a species of Apatosaurus.
A second individual
described in 1983 led to the notion that the fossils were not of a
new species but an entirely new genus. Fossils of Lourinhasaurus
also previously been labelled as species of the genera Atlantosaurus
Another genus of sauropod
from Portugal called
has been previously considered to be a synonym of
Lourinhasaurus, though modern study has identified
these two genera
as being separate.
Lourinhasaurus was a late Jurassic era sauropod that seems to have been quite common in Western Europe during the Jurassic, since it is known by the remains of several individuals. Although initial classification as a species of Apatosaurus may lead some to assume Lourinhasaurus was like other diplodocids, later studies have suggested that Lourinhasaurus was actually more like Camarasaurus in form. This means that Lourinhasaurus was likely more suited to the life of a high browser.
Lourinhasaurus should not be confused with the very similarly named Lourinhanosaurus, a very different kind of theropod dinosaur to the sauropod that Lourinhasaurus was.
- Lourinhasaurus n. gen. Novo dinosaurio sauropode do Juassico superior (Kimeridgiano superior-Titoniano inferior) de Portugal [Lourinhasaurus n. gen. New sauropod dinosaur from the Upper Jurassic (upper Kimmeridgian-lower Tithonian) of Portugal], P. Dantas, J. L. Sanz, C. M. Silva, F. Ortega, V. F. Santos & M. Cachao - 1998.
- New approach to Lourinhasaurus alenquerensis (Macronaria, Camarasauromorpha) from the Portuguese Upper Jurassic, by P. Mocho, R. Royo-Torres & F. Ortega. - In, Abstract book of the VI International Symposium about Dinosaurs Palaeontology and their Environment: 91-92. - F. Torcida Fernández-Baldor & P. Huerta (Eds.) - 2013.
- Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal. - Zoological Journal of the Linnean Society, 170: 875–916. - P. Mocho, R. Royo-Torres & F. Ortega - 2014.