Definition of mesosaur in English:

mesosaur

noun ˈmɛsəsɔːˈmē-

An extinct small aquatic reptile of the early Permian period, with an elongated body, flattened tail, and a long, narrow snout with numerous pointed teeth.
中龙
Genus Mesosaurus, order Mesosauria, subclass Anapsida
Example sentencesExamples
- The most basal anapsids, the mesosaurs, are oldest known fully aquatic reptiles.
- At the same time as the mesosaurs were flourishing in this newly formed inland sea, a major period of mountain building began in the south, due to the Andean-style collision of the Palaeo-Pacific plate under the African plate.
- Mesosaur remains are abundant at several sites in this formation, where they occur preserved in centimetre-thick beds and displaying various degrees of skeletal disarticulation.
- Only mesosaurs and araeoscelidians demonstrate more lightly built limbs than protorothyridids.
- Mesosaur fossils appear suddenly in the fossil record, and disappear equally suddenly, and their fossils show no sign of evolution during their existence.

Origin

1950s: modern Latin, from Greek mesos 'middle' + sauros 'lizard'.

Definition of mesosaur in US English:

mesosaur

(also mesosaurus)

nounˈmē-

An extinct small aquatic reptile of the early Permian period, with an elongated body, flattened tail, and a long, narrow snout with numerous pointed teeth.
中龙
Genus Mesosaurus, order Mesosauria, subclass Anapsida
Example sentencesExamples
- Only mesosaurs and araeoscelidians demonstrate more lightly built limbs than protorothyridids.
- At the same time as the mesosaurs were flourishing in this newly formed inland sea, a major period of mountain building began in the south, due to the Andean-style collision of the Palaeo-Pacific plate under the African plate.
- Mesosaur remains are abundant at several sites in this formation, where they occur preserved in centimetre-thick beds and displaying various degrees of skeletal disarticulation.
- Mesosaur fossils appear suddenly in the fossil record, and disappear equally suddenly, and their fossils show no sign of evolution during their existence.
- The most basal anapsids, the mesosaurs, are oldest known fully aquatic reptiles.

Origin

1950s: modern Latin, from Greek mesos ‘middle’ + sauros ‘lizard’.

词汇	mesosaur
释义	Definition of mesosaur in English: mesosaur noun ˈmɛsəsɔːˈmē- An extinct small aquatic reptile of the early Permian period, with an elongated body, flattened tail, and a long, narrow snout with numerous pointed teeth. 中龙 Genus Mesosaurus, order Mesosauria, subclass Anapsida Example sentencesExamples The most basal anapsids, the mesosaurs, are oldest known fully aquatic reptiles. At the same time as the mesosaurs were flourishing in this newly formed inland sea, a major period of mountain building began in the south, due to the Andean-style collision of the Palaeo-Pacific plate under the African plate. Mesosaur remains are abundant at several sites in this formation, where they occur preserved in centimetre-thick beds and displaying various degrees of skeletal disarticulation. Only mesosaurs and araeoscelidians demonstrate more lightly built limbs than protorothyridids. Mesosaur fossils appear suddenly in the fossil record, and disappear equally suddenly, and their fossils show no sign of evolution during their existence. Origin 1950s: modern Latin, from Greek mesos 'middle' + sauros 'lizard'. Definition of mesosaur in US English: mesosaur (also mesosaurus) nounˈmē- An extinct small aquatic reptile of the early Permian period, with an elongated body, flattened tail, and a long, narrow snout with numerous pointed teeth. 中龙 Genus Mesosaurus, order Mesosauria, subclass Anapsida Example sentencesExamples Only mesosaurs and araeoscelidians demonstrate more lightly built limbs than protorothyridids. At the same time as the mesosaurs were flourishing in this newly formed inland sea, a major period of mountain building began in the south, due to the Andean-style collision of the Palaeo-Pacific plate under the African plate. Mesosaur remains are abundant at several sites in this formation, where they occur preserved in centimetre-thick beds and displaying various degrees of skeletal disarticulation. Mesosaur fossils appear suddenly in the fossil record, and disappear equally suddenly, and their fossils show no sign of evolution during their existence. The most basal anapsids, the mesosaurs, are oldest known fully aquatic reptiles. Origin 1950s: modern Latin, from Greek mesos ‘middle’ + sauros ‘lizard’.
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