Flexicalymene

flex-i-ca-ly-mene
By Alexander Lundquist
Published on

Reviewed by John Stewart

Alexander Lundquist

Alexander Lundquist, is dedicated in studying Ordovician creatures, to understand how they acted in life and how they act together in an ecosystem. Having a little over six years of experience in and around Cincinnati area.

John Stewart

John Stewart is a distinguished paleoecologist whose work has significantly advanced our understanding of prehistoric ecosystems. With over two decades dedicated to unearthing fossils across Asia and Africa

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Lundquist, A. (2025, January 15). Flexicalymene. Prehistoric-wildlife. https://www.prehistoric-wildlife.com/species/flexicalymene/

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Name

Flexicalymene

Phonetic

flex-i-ca-ly-mene

Named By

Shirley - 1936

Classification

Trilobita, Phacopida, Calymenidea

Diet

Carnivore

Species

F. meeki F. retrorsa F. granulosa

Size

up to (19 mm) long

Known locations

Widespread in North America, can be found in the UK

Time Period

Middle and upper Ordovician

Fossil representation

common in fragments and can be found enrolled

In Depth

Flexicalymene is a commonly found trilobite. It can be confused with Calymene.

Early on Flexicalymene was grouped together with Calymene.

Flexicalymene today is a close relative of Calymene with how similar they are to one another.

Some Flexicalymene species are even used as index fossils for how abundant they are.

Further Reading

  • Thompson, I (1982). National Audubon Society Field Guide to North American Fossils. Knopf, pg 581
  • Shirley, J. (1936). Some British trilobites from the family Calymenidae. The Quarterly Journal of the Geological Society of London, 92, 384–421, pls 29–31.
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