ictodosauria

Thân thiện

A paleontologist carefully examines a fossil of an ictodosauria.

Definition

1. Noun:
   • An extinct order of reptiles: "Ictidosauria" refers to a group of reptiles that lived during the later part of the Triassic period and are now extinct. They are considered part of the evolutionary lineage leading toward mammals.

Usage Notes

• The term "Ictidosauria" is used exclusively in scientific contexts, specifically in paleontology and evolutionary biology. It is a taxonomic name for an order of prehistoric animals.
• It is always treated as a plural noun (e.g., ) but can also refer to the group as a singular entity in taxonomic classification.

Examples

• Noun:
  • Fossil evidence suggests the Ictidosauria possessed features intermediate between reptiles and mammals.
  • The study focused on the jaw structure of the Ictidosauria.

Advanced Usage

• In technical literature, "Ictidosauria" may be discussed in relation to other therapsid groups, highlighting their phylogenetic position.
  • The phylogenetic analysis placed the Ictidosauria close to the cynodonts.

Variants and Related Words

• Ictidosaur (n): A member of the order Ictidosauria.
  • The discovered skeleton was identified as an ictidosaur.
• Therapsid (n): The larger subclass of "mammal-like reptiles" to which Ictidosauria belong.

Synonyms

• There are no direct common-language synonyms. In scientific contexts, they may be described as:
  • Advanced therapsids
  • Mammal-like reptiles (a broader, informal term for therapsids)

Related Phrases

• No common idioms or phrasal verbs are associated with this highly specialized term.

Học thuật

Noun

1. extinct reptiles of the later Triassic period

Từ đồng nghĩa

• Ictodosauria
• order Ictodosauria