Definition

Noun 1. An extinct order of amphibians: Temnospondyli refers to a diverse and widespread group of prehistoric amphibians that lived from the Carboniferous through the Triassic periods, and possibly into the Cretaceous. They are characterized by specific vertebral structures where the central elements (pleurocentra and intercentra) often remained as separate, paired bones.

Usage Examples

• Fossils of Temnospondyli have been found on every continent.
• The study focused on the evolutionary history of the Temnospondyli.
• This particular vertebra exhibits the classic structure of the Temnospondyli.

Advanced Usage

• The term is used in a taxonomic context (order Temnospondyli) within paleontology and vertebrate zoology.
• It is often discussed in relation to the origins of modern amphibians (lissamphibians), with some theories proposing temnospondyls as their ancestors.

Variants and Related Words

• Temnospondyl (noun): A singular member of the Temnospondyli order.
  • Eryops is a well-known temnospondyl.
• Temnospondylous (adjective): Of or relating to the Temnospondyli.
  • The temnospondylous condition of the vertebrae is a key diagnostic feature.

Different Meanings

This is a specialized scientific term with a single, specific meaning in paleontology. It does not have common alternative definitions.

Synonyms

• Temnospondyls (the common name for members of the order)
• "Large Carboniferous and Permian amphibians" (a descriptive phrase from older classifications)

Related Idioms or Phrases

• N/A: As a highly specific scientific term, it is not used in idioms or common phrases.

Related Phrasal Verbs

• N/A: This noun does not form phrasal verbs.

Noun

1. formerly a suborder of Stegocephalia; large Carboniferous and Permian amphibians having vertebrae in which some elements remain separate