Scelidosaur is a word used to describe an extinct dinosaur species. Its pronunciation is spelled as /skelɪdəsɔːr/. The first syllable "ske" is pronounced with an 's' sound, while the second syllable "li" uses an 'i' sound. The last syllable "dəsɔːr" denotes the word "dinosaur". The word "scelidosaur" comes from the Greek words "skelid-," meaning "rib," and "-saurus," meaning "lizard." It is a term that is often used in paleontology to describe a group of armored dinosaurs that lived in the Late Jurassic period.
Scelidosaur refers to a group of small to medium-sized herbivorous dinosaurs that lived during the Early Jurassic period, approximately 200 to 190 million years ago. The name "scelidosaur" is derived from the Greek words "skelis" (meaning "leg") and "sauros" (meaning "lizard"), highlighting their lizard-like appearance and emphasizing their stance with legs splayed wide to the sides of the body.
Members of the scelidosaur group were characterized by their heavily armored bodies. They possessed a covering of bony plates and spikes, known as osteoderms, embedded in the skin to provide protection against predators. These dinosaurs had stout bodies, short necks, and short limbs. They typically measured around 2 to 4 meters in length.
Scelidosaurs were quadrupedal, meaning they walked on four legs, and they were well-adapted to terrestrial life. While their exact diet is still a subject of research, it is believed that scelidosaurs primarily fed on low-lying vegetation and plants. The structure of their teeth also suggests that they were capable of grinding plant material.
Some well-known scelidosaurs include Scelidosaurus harrisonii, the first recognized dinosaur to be named, and the closely related species Scelidosaurus oehleri. Fossils of scelidosaurs have been found in various parts of the world, including Europe, North America, and Africa.
The scelidosaur group is considered important in the evolutionary history of dinosaurs, as they are believed to be one of the earliest branches of the armored dinosaur lineage, eventually giving rise to more diverse and specialized groups like the ankylosaurs and stegosaurs.
The word scelidosaur is derived from two Greek terms: skelis meaning leg or thigh and sauros meaning lizard or reptile. When combined, they form the word scelidosaur, which refers to a group of armored dinosaurs from the Late Jurassic period. These dinosaurs were characterized by their bony plates, spikes, or other types of osteoderms covering their bodies, hence the name scelidosaur or leg/thigh lizard.