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Era

A division of geologic time next smaller than the aeon and larger than a period. Example: The Paleozoic era is in the Phanerozoic aeon and includes, among others, the Devonian period.

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Part of Speech: noun
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Industry/Domain: Natural environment
Category: Coral reefs
Organization: NOAA
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Related terms

era

Natural environment; Coral reefs

A division of geologic time next smaller than the eon and larger than a period. Example: The Paleozoic era is in the Phanerozoic eon and includes, among others, the Devonian ...

eras

Biology; Cell biology

One of the major divisions of the geologic time scale.

era

History; Ancient history

It is commonly used word for long period of time in general historical terminology.

era

Archaeology; Human evolution

The longest division of geological time, as in the Cenozoic era.

era

Geography; Physical geography

Geologic time unit that is shorter than an eon but longer than a period.

eras

Biology; General

One of the major divisions of the geologic time scale.

nodulose

Natural environment; Coral reefs

With small nodules, knobs or swellings.

fissure

Natural environment; Coral reefs

A deep and narrow depression cutting across the reef front with origins relating to jointing planes in the reef limestone or non-limestone bedrock.

damselfish

Natural environment; Coral reefs

A large family (Pomacentridae) of bony fishes which are abundant and common inhabitants of coral reefs. They possess robust, deep, and laterally compressed bodies. The majority of ...

complementary resources

Natural environment; Coral reefs

A pair of resources for which consumption by the consumer of one resource reduces its requirement for the other.

antennule

Natural environment; Coral reefs

A small antenna, especially the first pair of antennae in crustaceans.

odontophore

Natural environment; Coral reefs

A tooth-bearing structure found in most mollusks, except bivalves. It consists of several muscles and a cartilage which support the radula and radula sac; the term is also applied ...

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