Definition

Noun: 1. A taxonomic suborder of dinosaurs: A scientific classification for a group of theropod dinosaurs characterized by their light build, medium size, and specific anatomical features. This group is known for their ostrich-like appearance and are often called "ostrich dinosaurs."

Usage

• This term is used exclusively in scientific and paleontological contexts to classify a specific clade of dinosaurs within the larger order Theropoda.
• It functions as a proper noun in taxonomic hierarchy.

Examples

• "Fossil evidence suggests that were fast runners."
• "The paleontologist's paper focused on the evolutionary relationships within ."
• "Dinosaurs like and are classified under ."

Advanced Usage

• In modern cladistics, the term "Ornithomimosauria" is often used as a more precise clade name, but "Ornithomimida" remains a valid taxonomic rank in some classification systems.

Variants and Related Words

• Ornithomimid (noun): A member of the Suborder Ornithomimida.
  • The newly discovered fossil was identified as an ornithomimid.
• Ornithomimosauria (noun): An alternative clade name often considered equivalent or closely related to the group defined as Suborder Ornithomimida.
• Theropod (noun): The larger order of dinosaurs to which this suborder belongs.

Synonyms

• Ostrich dinosaurs (informal descriptive term)

Notes on Meaning

• The definition "lightly built medium-size theropods" describes the key physical characteristics of the dinosaurs within this suborder, emphasizing their gracile skeletons and size, which distinguish them from other, often larger and more robust, theropods like tyrannosaurids.

Noun

1. lightly built medium-size theropods