suborder theropoda
Học thuậtThân thiện
A paleontologist carefully examines a fossilized suborder theropoda skeleton in a museum.
Definition
Noun: - A suborder of carnivorous saurischian dinosaurs characterized by short forelimbs: This group includes bipedal, primarily meat-eating dinosaurs that lived during the Jurassic and Cretaceous periods. Members are part of the larger order Saurischia and are ancestral to birds.
Usage
- The term is used in scientific and paleontological contexts to classify a major group of dinosaurs.
- It is a formal taxonomic rank.
Examples
Advanced Usage
- Phylogenetic Context: In modern cladistics, Theropoda is often defined as a clade (a group consisting of an ancestor and all its descendants) rather than just a traditional Linnaean suborder.
- Morphological Definition: The group is defined by specific skeletal features, such as hollow bones and a three-toed foot.
Variants and Related Words
- Theropod (n): Any member of the suborder Theropoda.
- The fossil was identified as a large theropod.
- Theropodan (adj): Relating to or characteristic of theropods.
- Theropodan anatomy shows adaptations for predation.
Synonyms
- Predatory dinosaurs (general descriptive term)
- Beast-footed dinosaurs (literal translation of the Greek roots: = beast, = foot)
Related Phrases/Concepts
- Saurischia: The larger order of "lizard-hipped" dinosaurs to which Theropoda belongs.
- Coelurosauria / Carnosauria: Major subgroups within Theropoda.
- Avialae / Aves: The groups within Theropoda that include birds and their immediate ancestors.
A paleontologist carefully examines a fossilized suborder theropoda skeleton in a museum.
Noun
- carnivorous saurischian dinosaurs with short forelimbs; Jurassic and Cretaceous