description Acrocephalaspis Overview
Acrocephalaspis is an extinct genus of Cambrian trilobites placed in the family Acrocephalitidae and generally treated within the order Ptychopariida. Its known material includes species from Cambrian rocks in Kazakhstan and the Avalonian cover of Cape Breton Island. The genus is distinguished by a raised or inflated median area on the preglabellar field, a curved anterior border, and a relatively long palpebral lobe positioned toward the rear of the cephalon. These features separate it from related genera such as Acrocephalites.
help Acrocephalaspis FAQ
What kind of trilobite was Acrocephalaspis?
Acrocephalaspis was an extinct Cambrian trilobite genus in the family Acrocephalitidae. It is generally placed within the order Ptychopariida.
Where have Acrocephalaspis fossils been found?
Known material comes from Cambrian rocks in Kazakhstan and from the Avalonian cover of Cape Breton Island. These finds connect the genus with both Asian and eastern Canadian fossil regions.
When did Acrocephalaspis live?
Acrocephalaspis lived during the Cambrian Period, more than 485 million years ago. It was part of the early marine arthropod communities represented by trilobites.
What does the name Acrocephalaspis refer to?
Acrocephalaspis is a scientific genus name for a group of fossil trilobites, not a living animal. Its classification is based on preserved Cambrian exoskeletal material.
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