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.

Noun

1. extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic