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subclass of insects characterized by gradual and usually incomplete metamorphosis

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a group of chiefly woody plants considered among the most primitive of angiosperms

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category used in some classification systems for various basidiomycetous fungi including rusts and smuts

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chimaeras and extinct forms

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category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes

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in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions of organic matter

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diapsid reptiles: lizards

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one of four subclasses or superorders of Monocotyledones

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a group of families or trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants

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largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs

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pouched animals

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brittle stars