Archaeaspis
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Archaeaspis is an extinct genus of redlichiid trilobites. It lived during the late Atdabanian stage, which lasted from 521 to 514 million years ago during the early part of the Cambrian Period. The fi
Archaeaspis hupei recon
Olenellina
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Olenellina is a suborder of the order Redlichiida of trilobites that occurs about halfway during the Lower Cambrian, at the start of the stage called the Atdabanian. Olenellina are arguably the earlie
Archaeaspis
…Olenellina suborder, Archaeaspis lack dorsal sutures. The superfamily Fallotaspidoidea, to which Archaeaspis belongs can be distinguished from all other Olenellina by features of the cephalon and in particular the glabella. The glabella tapers forward. The frontal lobe of the glabella (because it is counted from…
Olenellus chiefensis CRF
Graphic of the relationship between the superfamilies within the Olenellina, and with other trilobites