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Sauropsida (Greek for "lizard faces") is a clade of amniotes, broadly equivalent to the class Reptilia, though typically used in a broader sense to also include extinct stem-group relatives of modern reptiles and birds (which, as theropod dinosaurs, are nested within reptiles as more closely related to crocodilians than to lizards or turtles). [2]
Sauropoda (/ sɔːˈrɒpədə /), whose members are known as sauropods (/ ˈsɔːrəpɒdz /; [1][2] from sauro- + -pod, ' lizard -footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs.
Sep 1, 2023 · Even the mightiest land mammals—mammoths and rhinoceroslike beasts that were up to twice as heavy as the largest elephants alive today—were featherweights compared with the biggest sauropods....
Sauropoda is a clade of dinosaurs that consists of roughly 300 species of large, long-necked herbivores and includes the largest terrestrial animals ever to exist. The first sauropod species were named in 1842 by Richard Owen, though at the time, he regarded them as unusual crocodilians.
Mosasauridae. Phylum: Chordata. Class: Sauropsida. Order: Squamata. Family: Mosasauridae. Overview. Mosasaurs are only known from the Late Cretaceous. They were top predators of the Western Interior Seaway and evolved into a diversity of forms during their ~25 million years of existence.
Sauropsida ('lizard faces') is a group of amniotes that includes all existing birds and reptiles as well as their fossil ancestors and other extinct relatives. Large land animals are either in this group or in its sister group, Synapsida, which includes mammals and their fossil relatives.
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Sauropodomorpha (/ ˌsɔːrəˌpɒdəˈmɔːrfə / [2] SOR-ə-POD-ə-MOR-fə; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives.
