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Há 6 dias · Bibliography. External links. Vertebrates ( / ˈvɜːrtəbrɪts, - ˌbreɪts /) [3] are deuterostomal animals with bony or cartilaginous axial endoskeleton — known as the vertebral column, spine or backbone — around and along the spinal cord, including all fish, amphibians, reptiles, birds and mammals.
6 de mai. de 2024 · vertebrate, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they derive their name. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.
Há 1 dia · Spinosauridae (or spinosaurids) is a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America and Asia. Their remains have generally been attributed to the Early to Mid Cretaceous . Spinosaurids were large bipedal carnivores.
10 de mai. de 2024 · Learn about the vertebral column, also known as the backbone, spine, or spinal column, in vertebrate animals. Find out how it protects the spinal cord, provides stiffening and attachment, and varies in shape and number among different species.
- The Editors of Encyclopaedia Britannica
Há 1 dia · In Stegosaurus stenops there are 27 bones in the vertebral column anterior to the sacrum, a varying number of vertebrae in the sacrum, with four in most subadults, and around 46 caudal (tail) vertebrae.
Há 20 horas · Apatosaurus ( / əˌpætəˈsɔːrəs /; [3] [4] meaning "deceptive lizard") is a genus of herbivorous sauropod dinosaur that lived in North America during the Late Jurassic period. Othniel Charles Marsh described and named the first-known species, A. ajax, in 1877, and a second species, A. louisae, was discovered and named by William H ...
20 de mai. de 2024 · The cervicals, or cervical vertebrae, are the neck vertebrae. Most dinosaurs possessed 9 to 10 cervicals, although higher numbers were achieved in some groups including sauropods, both by increasing the vertebral count and by integrating dorsal vertebrae into the neck.
