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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Class Merostomata
used in some classifications; includes the orders Xiphosura and Eurypterida
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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.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Nature and environment, Animals, Zoology.used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archos…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.animals that nourish their young with milk
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
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One of the orders of Anthozoa. It includes the Alcyonacea, Pennatulacea, and Gorgonacea.
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.A division of the Invertebrata, nearly equivalent to the Articulata. It includes the Arthoropoda and Anarthropoda. By some zoologists…
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinari…
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.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: some, classifications, includes, orders, xiphosura.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: some, classifications, includes, orders, xiphosura.To make a brief visit; also, to stop at some place designated, as for orders.
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.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: some, classifications, includes, orders, xiphosura.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: some, classifications, includes, orders, xiphosura.One of the orders of Infusoria, characterized by having cilia. In some species the cilia cover the body generally, in others they form…
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.The act of forming into a class or classes; a distibution into groups, as classes, orders, families, etc., according to some common re…
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.A tree or shrub bearing cones; one of the order Coniferae, which includes the pine, cypress, and (according to some) the yew.
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.Disobedience of the rules, orders, or process of a court of justice, or of rules or orders of a legislative body; disorderly, contempt…
Its definition shares important concepts with this word: some, classifications, includes, orders, xiphosura.
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