description Crozonaspis Overview
Crozonaspis is an extinct genus of dalmanitid trilobites in the order Phacopida, established by Henry in 1968. It lived during the Middle Ordovician and is documented from Brittany and other parts of the Armorican Massif, as well as Spain, Morocco, and southern Cornwall. The genus has an ogival cephalon with a narrow anterior border that forms a short median projection, and some species have a mucronate pygidium.
help Crozonaspis FAQ
What is Crozonaspis?
Crozonaspis is an extinct dalmanitid trilobite in the order Phacopida. Henry established the genus in 1968, and it lived during the Middle Ordovician.
Where have Crozonaspis fossils been found?
Crozonaspis is documented from Brittany and other parts of the Armorican Massif. Fossils are also known from Spain, Morocco, and southern Cornwall.
When did Crozonaspis live?
Crozonaspis lived during the Middle Ordovician. Its fossils come from marine rocks formed during that period, more than 440 million years ago.
What larger group contains Crozonaspis?
Crozonaspis belongs to Dalmanitidae, a family within Phacopida. Dalmanitid trilobites are commonly identified by features of the cephalon, eyes, and thorax.
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