conodonta

Học thuật
Thân thiện
conodonta

A scientist examines a conodonta fossil under a bright light.

Definition
  1. Noun:
    • An extinct order of primitive vertebrates: "Conodonta" refers to a taxonomic order of extinct, primitive vertebrates. Their precise classification within the animal kingdom has been debated by scientists.
    • A group characterized by tooth-like microfossils: The group is primarily known from abundant, microscopic, tooth-like fossil structures made of calcium phosphate, which are also called conodonts.
Usage Examples
  • Noun:
    • The fossil record of the Conodonta spans from the Late Cambrian to the end of the Triassic period.
    • Scientists study Conodonta to understand early vertebrate evolution.
    • The discovery of soft-body impressions clarified that conodont elements belonged to an animal, leading to the classification of Conodonta.
Advanced Usage
  • In taxonomic debate: The term is used in discussions about the classification of early chordates.
    • The phylogenetic position of the Conodonta remains a topic of research.
  • In biostratigraphy: Conodont elements are crucial index fossils.
    • Conodonta are invaluable for correlating the ages of Paleozoic and early Mesozoic sedimentary rocks.
Variants and Related Words
  • Conodont (n):
    • The tooth-like microfossil itself.
      • The limestone layer is rich in conodonts.
    • Informally, an individual animal belonging to the Conodonta.
      • The conodont was a small, eel-like predator.
  • Conodontophorida (n): A synonymous taxonomic name sometimes used for this group.
Synonyms
  • Conodontophorida (n): A synonymous order name.
  • Conodont-bearing animals (n phr): A descriptive term.
Notes on Meaning

The primary meaning of "Conodonta" is as a formal taxonomic order. The common name "conodont animal" is often used to describe the hypothetical soft-bodied creature before its physical form was confirmed by fossil evidence. The word itself is almost exclusively used in scientific (paleontological and geological) contexts.

conodonta

A scientist examines a conodonta fossil under a bright light.

Noun
  1. extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum

Từ gần giống

Từ chứa "conodonta"

Từ có nhắc đến "conodonta"