suborder marginocephalia
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A Triceratops, a member of the suborder Marginocephalia, grazes on ferns in a prehistoric forest.
Definition
Noun: - A taxonomic suborder of herbivorous, bipedal or quadrupedal ornithischian dinosaurs: This suborder is characterized by distinctive skull features, notably a bony shelf or frill at the back of the skull. It includes two major groups: the bone-headed dinosaurs (pachycephalosaurs) and the horned dinosaurs (ceratopsians).
Usage Examples
- Noun:
- The suborder Marginocephalia is defined by the presence of a marginal shelf of bone on the back of the skull.
- Paleontologists study fossils to understand the evolution within suborder Marginocephalia.
- Triceratops, a well-known ceratopsian, belongs to the suborder Marginocephalia.
Advanced Usage
- In taxonomic classification: The term is used in scientific literature to categorize and discuss the shared derived characteristics (synapomorphies) of these dinosaur groups.
- The phylogenetic analysis confirmed the monophyly of the suborder Marginocephalia.
Variants and Related Words
- Marginocephalian (n/adjective): A member of the suborder Marginocephalia, or pertaining to it.
- Pachycephalosaurus is a marginocephalian dinosaur.
- Ceratopsia (n): An infraorder within Marginocephalia, the horned dinosaurs.
- Pachycephalosauria (n): An infraorder within Marginocephalia, the bone-headed or dome-headed dinosaurs.
Synonyms
- Marginocephalians: Often used as a common name for members of this suborder.
- (No direct common-language synonym): This is a precise scientific taxonomic term.
Related Phrases/Concepts
- Ornithischian dinosaurs: The larger order to which Marginocephalia belongs.
- Skull frill: A key characteristic of many marginocephalians, especially ceratopsians.
- Herbivorous diet: A trait shared by all members of this suborder.
A Triceratops, a member of the suborder Marginocephalia, grazes on ferns in a prehistoric forest.
Noun
- includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs