description Gravicalymene Overview
Gravicalymene is a genus of calymenid trilobites from the Silurian Period. Fossils are known from Europe and North America, where they occur in marine sedimentary rocks. The genus has a strongly built exoskeleton, including a broad glabella, and many specimens are preserved enrolled, with the head and tail folded toward one another. Gravicalymene is useful for studying Silurian calymenid anatomy, defensive enrollment, and regional trilobite distributions.
help Gravicalymene FAQ
What period did Gravicalymene live in?
Gravicalymene is a genus of calymenid trilobites from the Silurian Period. Its fossils are known from marine sedimentary rocks in Europe and North America.
What features help identify Gravicalymene?
A broad glabella and a strongly built exoskeleton are characteristic clues for Gravicalymene. The glabella is the central raised part of a trilobite's head shield.
What does an enrolled Gravicalymene fossil mean?
An enrolled specimen has curled its body so the head and tail regions are brought close together. Many Gravicalymene fossils are preserved in this posture in Silurian marine rocks.
Are Gravicalymene fossils found outside Europe?
Yes, Gravicalymene is not restricted to Europe. Its fossil record also includes North America, alongside European marine deposits.
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