Ichthyosauridae
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Definition
Proper noun * Ichthyosauridae: A family of marine reptiles within the order Ichthyosauria. These were later ichthyosaurs that lived during the Jurassic and Cretaceous periods and were widely distributed across the globe.
Usage Notes
- Ichthyosauridae is a scientific, taxonomic term used in paleontology and zoology. It refers to a specific family classification, not to an individual animal.
- It is always capitalized as it is a proper noun denoting a formal family name.
- The term is typically used in academic, scientific, or educational contexts when discussing the classification, evolution, or characteristics of this group.
Examples
- Fossils of the Ichthyosauridae show adaptations for fast swimming.
- The research paper compares the skeletal structures of Ichthyosauridae with those of earlier ichthyosaur families.
- Several genera, such as , are classified within the family Ichthyosauridae.
Advanced Usage
- In phylogenetic studies, Ichthyosauridae is defined as a clade sharing a more recent common ancestor with than with other ichthyosaur families like Stenopterygiidae.
Variants and Related Words
- ichthyosaur (noun): A member of the order Ichthyosauria; the common name for these dolphin-like marine reptiles.
- ichthyosaurian (adjective): Of or relating to ichthyosaurs.
- Ichthyosaurus (proper noun): The type genus of the family Ichthyosauridae.
Synonyms
- There are no direct common-language synonyms for this taxonomic name. In informal scientific discussion, one might refer to "members of the Ichthyosauridae family" or "ichthyosaurs of the Ichthyosauridae clade."
Different Meanings
- This term has only one specific meaning in scientific classification. It should not be confused with the broader order Ichthyosauria, which encompasses multiple families including Ichthyosauridae.
Noun
- later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres