sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.Subclass Diapsida
used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
No hand-reviewed synonym set has been published for this word yet.
The broader connections below can still help you explore, but they are labelled by the evidence joining the words and should not automatically be treated as substitutes.
Words from the same subject
These terms belong to the same specialist field or topic. They help you explore the subject, but they are not automatically synonyms.
primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.horseshoe crab of the coast of eastern Asia
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in some classifications; includes the orders Xiphosura and Eurypterida
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archos…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.large extinct scorpion-like arthropod considered related to horseshoe crabs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.small nonvenomous arachnid resembling a tailless scorpion
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
any of various insectivorous Old World birds with a loud incessant song; in some classifications considered members of the family Musc…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.any of various insectivorous Old World birds with a loud incessant song; in some classifications considered members of the family Musc…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.An order of reptiles, including the tortoises and turtles, peculiar in having a part of the vertebrae, ribs, and sternum united with t…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.Division into two; especially, the division of a class into two subclasses opposed to each other by contradiction, as the division of…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.in some classifications considered a kingdom
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.coextensive with class Phaeophyceae; in some classifications subsumed in the division Heterokontophyta
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as th…
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.Miscarriage; failure; deficiency; fault; -- mostly superseded by failure or failing, except in the phrase without fail.
Its definition shares important concepts with this word: former, classifications, include, living, reptiles.Explore Academic Dictionary
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