superorder labyrinthodonta
Học thuậtThân thiện
A paleontologist carefully examines a fossil skull of Superorder Labyrinthodonta.
Definition
Noun: 1. A taxonomic superorder of extinct amphibians: This term refers to a major scientific classification group containing various extinct amphibians. These animals are typically characterized by having bodies resembling heavy-bodied salamanders or crocodiles, possessing a solid, flattened skull, and conical teeth. They existed from the Devonian period through the Triassic period.
Usage Notes
- Scientific Term: "Superorder Labyrinthodonta" is a highly specialized term used almost exclusively in scientific contexts, particularly in paleontology, zoology, and evolutionary biology.
- Capitalization: The word is often capitalized ("Labyrinthodonta") as it is a formal taxonomic name.
- Context: It is used when discussing the classification, anatomy, or evolutionary history of prehistoric amphibians.
Examples of Usage
- Noun:
- Fossil evidence places the superorder Labyrinthodonta among the earliest tetrapods.
- The distinctive folded structure of their tooth dentin is a key feature of the Labyrinthodonta.
- Paleontologists study the superorder Labyrinthodonta to understand the transition of vertebrates from water to land.
Advanced Usage
- "Labyrinthodont" as an adjective: The related adjective "labyrinthodont" is used to describe the characteristic teeth or the animals themselves.
- The fossil exhibited clear labyrinthodont tooth structure.
- These were large, labyrinthodont amphibians.
Variants and Related Words
- Labyrinthodont (noun/adjective): A member of the superorder Labyrinthodonta; or, describing the features of this group.
- Labyrinthodontia: An alternative, synonymous name for the same taxonomic group.
Synonyms
- Labyrinthodont amphibians
- Stem tetrapods (in a broader evolutionary context)
Related Terms (Scientific Context)
- Temnospondyli: A large and diverse order within the Labyrinthodonta.
- Ichthyostegalia: Another early order within this superorder, representing some of the most primitive tetrapods.
- Anthracosauria: A group sometimes placed within or closely related to Labyrinthodonta, considered more reptile-like.
A paleontologist carefully examines a fossil skull of Superorder Labyrinthodonta.
Noun
- extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic