Definition of labyrinthodont in English:
labyrinthodont
adjective ˌlabəˈrɪnθədɒntˌlabəˈrinTHədänt
Zoology 1(of teeth) having the enamel deeply folded to form a labyrinthine structure.
- 1.1 Relating to a group of large fossil amphibians of the late Devonian to early Triassic periods having labyrinthodont teeth.
Example sentencesExamples
- Finding labyrinthodont amphibian vertebrae and lungfish teeth, we took several bags of matrix to wash.
- Different labyrinthodont lineages gave rise to all the other tetrapods.
- Whether it was a labyrinthodont amphibian or a primitive reptile has been much disputed.
- It is thought that in other parts of the world competition from crocodiles wiped out most labyrinthodont species.
- On land there was a major faunal turnover in which labyrinthodont amphibians, early reptile groups, and mammal-like reptiles died out and were replaced by archosaurs, lepidosaurs, and mammals.
noun ˌlabəˈrɪnθədɒntˌlabəˈrinTHədänt
A labyrinthodont amphibian.
Former subclass Labyrinthodontia: several families, but no longer considered to be a single group
Example sentencesExamples
- Two main types of early amphibians include the large powerfully built labyrinthodonts and the small, slender lepospondyls.
- The labyrinthodonts, parareptiles and theromorphs were among the most ancient tetrapods.
- All of these Palaeozoic and early Mesozoic amphibians are called labyrinthodonts and lepospondyls, based on features of their teeth and vertebrae.
- Then in the seventies an almost complete fossil of another labyrinthodont turned up in rocks that were definitely much younger than 250 million years old.
- Curiously, labyrinthodonts are not found in the Otways - crocodiles apparently filled the same ecological niche.
Origin
Mid 19th century: from modern Latin Labyrinthodontia, from Greek laburinthos 'labyrinth' + odous, odont- 'tooth'.
Definition of labyrinthodont in US English:
labyrinthodont
adjectiveˌlabəˈrinTHədänt
Zoology 1(of teeth) having the enamel deeply folded to form a labyrinthine structure.
- 1.1 Relating to a group of large fossil amphibians of the late Devonian to early Triassic periods having labyrinthodont teeth.
Example sentencesExamples
- Different labyrinthodont lineages gave rise to all the other tetrapods.
- Whether it was a labyrinthodont amphibian or a primitive reptile has been much disputed.
- It is thought that in other parts of the world competition from crocodiles wiped out most labyrinthodont species.
- On land there was a major faunal turnover in which labyrinthodont amphibians, early reptile groups, and mammal-like reptiles died out and were replaced by archosaurs, lepidosaurs, and mammals.
- Finding labyrinthodont amphibian vertebrae and lungfish teeth, we took several bags of matrix to wash.
nounˌlabəˈrinTHədänt
A labyrinthodont amphibian.
Former subclass Labyrinthodontia: several families, but no longer considered to be a single group
Example sentencesExamples
- The labyrinthodonts, parareptiles and theromorphs were among the most ancient tetrapods.
- Then in the seventies an almost complete fossil of another labyrinthodont turned up in rocks that were definitely much younger than 250 million years old.
- All of these Palaeozoic and early Mesozoic amphibians are called labyrinthodonts and lepospondyls, based on features of their teeth and vertebrae.
- Two main types of early amphibians include the large powerfully built labyrinthodonts and the small, slender lepospondyls.
- Curiously, labyrinthodonts are not found in the Otways - crocodiles apparently filled the same ecological niche.
Origin
Mid 19th century: from modern Latin Labyrinthodontia, from Greek laburinthos ‘labyrinth’ + odous, odont- ‘tooth’.