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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Eurypterid
large extinct scorpion-like arthropod considered related to horseshoe crabs
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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.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.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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Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
The principal star in Scorpio: -- called also the Scorpion's Heart.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.ridge-like ingrowth of the exoskeleton of an arthropod that supports internal organs and provides attachment points for muscles
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.The Altar; a southern constellation, south of the tail of the Scorpion.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primi…
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.A group of decapod Crustacea, including the common crabs, characterized by a small and short abdomen, which is bent up beneath the lar…
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.See Book scorpion, under Book.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.A large, extinct bird (Didus ineptus), formerly inhabiting the Island of Mauritius. It had short, half-fledged wings, like those of th…
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct; an extinct volcano.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.One of an order of fresh-water Bryozoa, in which the tentacles are on a lophophore, shaped like a horseshoe. See Phylactolaema.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.Shaped like a horseshoe.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.Any air-breathing arthropod, as a spider or scorpion.
Its definition shares important concepts with this word: large, extinct, scorpion-like, arthropod, considered.
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