nothosaur
Definition
Noun: 1. An extinct marine reptile of the Triassic period, characterized by having limbs that were longer and more slender than those of plesiosaurs and were less fully adapted for swimming.
Usage
The term "nothosaur" is used specifically in paleontology and discussions of prehistoric life to refer to this distinct group of ancient reptiles. It is a scientific classification.
Examples
- Fossil evidence suggests the nothosaur was a coastal predator, catching fish in shallow seas.
- The nothosaur's anatomy represents an intermediate stage in the adaptation of reptiles to marine life.
- Several well-preserved nothosaur skeletons have been found in Europe and China.
Advanced Usage
- The term is often used in a taxonomic context, referring to members of the suborder .
- It is frequently contrasted with other marine reptiles like plesiosaurs and ichthyosaurs to illustrate different evolutionary adaptations.
Variants and Related Words
- Nothosauroid (adjective/noun): Of or relating to the nothosaurs; a member of the .
- The nothosauroid reptiles show a clear transition from land to sea.
Synonyms
- Marine reptile (extinct): A general term that includes nothosaurs, plesiosaurs, mosasaurs, etc.
- Prehistoric reptile: A broader, less specific term.
Different Meanings
The word "nothosaur" has only one specific meaning in English: it refers exclusively to this extinct group of reptiles. It does not have modern, figurative, or slang meanings.
Noun
-
extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
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