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.
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Diapsid
reptile having a pair of openings in the skull behind each eye
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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Nature and environment, Animals, Zoology.used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archos…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.animals that nourish their young with milk
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
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Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
"That which is behind"; the rear; -- chiefly used as an adjective in the sense of behind, rear, subordinate.
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.On the side opposite the front or nearest part; on the back side of; at the back of; on the other side of; as, behind a door; behind a…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.A genus of large extinct mammals from the miocene strata of western North America. They were allied to the rhinoceros, but the skull b…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.One of the orders of myriapods, including the centipeds. They have a single pair of elongated legs attached laterally to each segment;…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.An order of insects having the anterior pair of wings (elytra) hard and horny, and serving as coverings for the posterior pair, which…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.The skull of an animal; especially, that part of the skull, either cartilaginous or bony, which immediately incloses the brain; the br…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.Often applied, especially in the plural, to parts which are supposed to resemble a pair of legs; as, the crura of the diaphragm, a pai…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures a…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.One of the anterior pair of wings in the Coleoptera and some other insects, when they are thick and serve only as a protection for the…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.Forked or branched like a pair of forceps; constructed so as to open and shut like a pair of forceps.
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.An eel-like marine marsipobranch (Myxine glutinosa), allied to the lamprey. It has a suctorial mouth, with labial appendages, and a si…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated wit…
Its definition shares important concepts with this word: reptile, pair, openings, skull, behind.
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