conodonta
Definition
- 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.
Noun
-
extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ gần giống
Từ chứa "conodonta"
Từ có nhắc đến "conodonta"
