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Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

living thing, animate thing go
a living (or once living) entity

organism, being go
a living thing that has (or can develop) the ability to act or function independently

animal, animate being, beast, brute, creature, fauna go
a living organism characterized by voluntary movement

chordate go
any animal of the phylum Chordata having a notochord or spinal column

vertebrate, craniate go
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

reptile, reptilian
any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms

noun.animal

4 Subcategories

anapsid, anapsid reptile go
primitive reptile having no opening in the temporal region of the skull
diapsid, diapsid reptile go
reptile having a pair of openings in the skull behind each eye
Diapsida, subclass Diapsida go
used in former classifications to include all living reptiles except turtles
synapsid, synapsid reptile go
extinct reptile having a single pair of lateral temporal openings in the skull