description Selenopeltis Overview
Selenopeltis is an extinct genus of odontopleurid trilobites that lived during the Ordovician period. Fossils of this marine arthropod have been discovered in widespread locations across Europe and North Africa. It is distinguished from other trilobites by a heavily spined exoskeleton, featuring exceptionally long, hollow, and slender genal and pleural spines that radiate outward from its cephalon and thorax. Paleontologists frequently study these well-preserved fossils to better understand the morphological diversity of Paleozoic arthropods.
help Selenopeltis FAQ
When did Selenopeltis live?
Selenopeltis was an odontopleurid trilobite from the Ordovician period. Its fossils occur in marine deposits across Europe and North Africa, showing that the genus occupied widely separated Paleozoic sea regions.
What makes Selenopeltis easy to recognize?
The genus is known for a heavily spined exoskeleton, especially around the cephalon and thorax. Those spines are characteristic of Odontopleuridae, but complete body proportions are needed to distinguish Selenopeltis from related genera.
Did Selenopeltis live on land or in the ocean?
It was a marine arthropod that lived on or near the sea floor during the Ordovician. The limestone and other marine sediments containing its fossils were deposited in ancient ocean environments, not terrestrial habitats.
How does Selenopeltis compare with Leonaspis?
Both genera belong to the spiny odontopleurid trilobites, but Selenopeltis is Ordovician while Leonaspis continued from the Late Ordovician into the Devonian. Their head, thorax, and pygidium have different spine arrangements, so a single loose spine cannot identify either genus confidently.
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