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Trilobites were associated with the Paleozoic era, from the Cambrian to the Permian.

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How paleontologists use trilobite fossil as index fossil for various geologic time period?

yeah


What is a measurement of the earths history divided into time period?

fossil record geologic time scale


What is a measurement of the earth history divided into time period?

fossil record geologic time scale


What is a measurement of the Earth's history divided into time period?

fossil record geologic time scale


Which new york state fossil is found in rock of the same period of geologic history as Meekoceras?

Coelophysis


What is an organism used to identify a specific geologic time period called?

An organism used to identify a specific geologic time period is called an index fossil. Index fossils are used by geologists to narrow down the age of rocks and sediment layers based on the known age range of the fossil species.


What Signature creature is the trilobite?

Cambrian Period


When did abundant fossil evidence appear in the geologic record?

Abundant fossil evidence first appeared in the geologic record during the Cambrian Period, around 541 million years ago. This period marked the rapid diversification of multicellular organisms, leading to the Cambrian Explosion, which left behind a rich fossil record of early marine life.


Which New York State fossil is found in rock's of the same period of geologic history as meekpceras?

The Sea Scorpion (Eurypterus remipes).


The first dinosaur fossil and the fossil found on Vega Island in 1986 were representative of what geologic time period?

The first dinosaur fossil ever found in Antarctica is called Antarctopelta. Its fossils date to the late Cretaceous period. Cryolophosaurus, the first theropod discovered in Antarctica, date back to the early Jurassic period.


Signature creature is the trilobite?

Cambrian Period............by R.E


Abundant fossil evidence did not appear in the geologic record until about?

The abundant fossil evidence appeared in the geologic record around 541 million years ago during the Cambrian period when complex organisms started to evolve. This sudden appearance of diverse life forms is known as the Cambrian explosion.