Lourinhanosaurus Facts
Pronunciation: loh-rin-YAH-noh-SORE-us
Name meaning: Lourinhã Lizard
| Diet | Carnivore |
| Height | 2.5m |
| Length | 7m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Jurassic |
| Period | Late Jurassic |
| Type | Theropod |
| Location | Portugal |
Lourinhanosaurus was a formidable carnivorous theropod dinosaur that prowled the landscapes of what is now Portugal during the Late Jurassic Period, approximately 152 million years ago. Named after the Lourinhã region where its remains were discovered, this predator lived in one of Europe's richest dinosaur fossil sites, sharing its habitat with other large carnivores including Torvosaurus gurneyi, Allosaurus europaeus, and Ceratosaurus.
This theropod measured around 7 metres in length and stood about 2.5 metres tall at the hip, weighing approximately 1.5 tonnes. Lourinhanosaurus possessed the classic theropod body plan with powerful hind limbs for swift movement, relatively small but strong forelimbs ending in sharp claws, and a long tail that provided balance whilst running and hunting. Its skull housed rows of sharp, serrated teeth perfectly adapted for slicing through flesh and bone.
As an active predator, Lourinhanosaurus likely hunted the various herbivorous dinosaurs that inhabited the Late Jurassic Portuguese coastlands, including ornithopods and smaller sauropods. The abundance of large predators in the Lourinhã Formation suggests this region supported a rich ecosystem with plentiful prey animals. The discovery of Lourinhanosaurus has provided valuable insights into the diversity of European theropod dinosaurs during this period.
The competitive environment of Late Jurassic Portugal meant that Lourinhanosaurus had to compete with several other large carnivores for territory and prey, indicating a complex predator hierarchy in this ancient ecosystem.
What made Lourinhanosaurus distinctive?
Lourinhanosaurus was a moderately-sized theropod with the typical allosaurid body structure, featuring powerful legs, sharp claws on both hands and feet, and a large skull filled with serrated teeth. Its build was robust but more lightly constructed than some of its contemporaries like the massive Torvosaurus.
Behaviour
Lourinhanosaurus was likely an active pursuit predator that hunted both alone and possibly in small groups when targeting larger prey. The competitive environment with multiple large carnivores suggests it may have been territorial and engaged in aggressive encounters with other predators over carcasses and hunting grounds.
Lourinhanosaurus FAQ
What did Lourinhanosaurus eat?
Lourinhanosaurus was a carnivore that hunted other dinosaurs. Its sharp, serrated teeth were perfect for slicing meat, and it likely preyed on herbivorous dinosaurs such as ornithopods and smaller sauropods that shared its
Late Jurassic Portuguese habitat.
How big was Lourinhanosaurus?
Lourinhanosaurus measured approximately 7 metres long and stood about 2.5 metres tall at the hip. It weighed around 1.5 tonnes, making it a moderately large theropod dinosaur, smaller than giants like
Tyrannosaurus but still a formidable predator.
When did Lourinhanosaurus live?
Lourinhanosaurus lived during the
Late Jurassic Period, specifically around 152 million years ago. This places it in the Kimmeridgian to Tithonian stages of the Late Jurassic, a time when dinosaurs were flourishing worldwide.
Where was Lourinhanosaurus found?
Lourinhanosaurus was discovered in Portugal, specifically in the famous Lourinhã Formation. This geological formation is located near the town of Lourinhã and is renowned for its exceptional
Late Jurassic dinosaur fossils.
How do you pronounce Lourinhanosaurus?
Lourinhanosaurus is pronounced 'loh-rin-YAH-noh-SORE-us'. The name comes from Lourinhã, the Portuguese region where it was discovered, combined with the Greek word 'saurus' meaning lizard.
What does Lourinhanosaurus mean?
Lourinhanosaurus means 'Lourinhã Lizard', named after the Lourinhã region in Portugal where its fossils were found. Like many dinosaur names, it combines a place name with the Greek word 'saurus' meaning lizard.
How fast could Lourinhanosaurus run?
The exact speed of Lourinhanosaurus is unknown, but as a medium-sized theropod with long, powerful legs, it was likely capable of running quite fast when pursuing prey or escaping danger, probably reaching speeds similar to other theropods of its size.
What type of dinosaur was Lourinhanosaurus?
Lourinhanosaurus was a theropod dinosaur, belonging to the family Allosauridae. Theropods were bipedal carnivorous dinosaurs that included all the major predatory dinosaurs, and Lourinhanosaurus was related to the famous
Allosaurus.
Was Lourinhanosaurus related to birds?
Yes, as a theropod dinosaur, Lourinhanosaurus was distantly related to modern birds. All theropods, including Lourinhanosaurus, belong to the same major group that eventually gave rise to birds, though Lourinhanosaurus itself was not directly ancestral to any modern bird species.
How many Lourinhanosaurus fossils have been found?
Lourinhanosaurus is known from limited fossil material found in the Lourinhã Formation. While the exact number of specimens is small, the fossils that have been discovered provide enough information to identify it as a distinct species of theropod dinosaur.
