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Eoagnostus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. [1]

13 relations: Agnostida, Animal, Archaeagnostus, Arthropod, Cambrian, Cambrian Stage 4, Extinction, Fossil, Genus, Peronopsidae, Trilobite, Trilobite zone, Type (biology).


Agnostida is an order of arthropod which first developed near the end of the Early Cambrian period and thrived during the Middle Cambrian.

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Animals are multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa).

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Archaeagnostus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites.

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An arthropod (from Greek arthro-, joint + podos, foot) is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages.

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The Cambrian is the first geological period of the Paleozoic Era, lasting from to million years ago (mya) and is succeeded by the Ordovician.

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Cambrian Stage 4

Cambrian Stage 4 is the still unnamed 4th stage of the Cambrian and the upper stage of the 2nd Cambrian series.

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In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species.

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Fossils (from Classical Latin fossilis; literally, "obtained by digging") are the preserved remains or traces of animals, plants, and other organisms from the remote past.

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In biology, a genus (plural: genera) is a taxonomic rank used in the biological classification of living and fossil organisms.

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The Peronopsidae (which may also be called peronopsids) comprise the earliest family of the Agnostina suborder.

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Trilobites (meaning "three lobes") are a fossil group of extinct marine arthropods that form the class Trilobita.

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Trilobite zone

Trilobites are used as index fossils to subdivide the Cambrian period.

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Type (biology)

In biology, a type is one particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached.

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[1] https://en.wikipedia.org/wiki/Eoagnostus

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