'Paleozoology', also spelled as 'palaeozoology' (
Greek: ''paleon'' = old and ''zoon'' = animal), is the branch of
paleontology or
paleobiology dealing with the recovery and identification of
multicellular animal remains from
geological (or even
archeological) contexts, and the use of these
fossils in the reconstruction of
prehistoric environments and
ancient ecosystems.
Definitive, macroscopic remains of these
metazoans are found in the
fossil record from the
Ediacaran period of the
Neoproterozoic era onwards, although they do not become common until the Late
Devonian period in the latter half of the
Paleozoic era.
Perhaps the best known
macrofossils group is the
dinosaurs. Other popularly known animal-derived macrofossils include
trilobites,
crustaceans,
echinoderms,
brachiopods,
mollusks,
bony fishes,
sharks,
Vertebrate teeth, and
shells of numerous
invertebrate groups. This is because hard organic parts, such as bones, teeth, and shells resist decay, and are the most commonly preserved and found animal fossils. Exclusively
soft-bodied animals -- such as
jellyfish,
flatworms,
nematodes, and
insects -- are consequently rarely
fossilized, as these groups do not produce hard organic parts.
See also
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Animalia, taxonomic kingdom of
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Fossils
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Index fossils -- a.k.a. guide fossils
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Invertebrates
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Invertebrate paleontology covers most animal phyla
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Macrofossils -- easily visible fossil evidence
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Metazoa -- animal kingdom
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Microfossils -- microscopic fossil evidence
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Micropaleontology
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Paleobiology -- biology and paleontology
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Paleobotany
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Trace fossils -- indirect evidence of prehistoric life
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Vertebrates
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Vertebrate paleontology covers the subphylum Vertebrata
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Zoology