Fallotaspidoidea
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The ”Fallotaspidoidea” are a superfamily of trilobites, a group of extinct marine arthropods. It lived during the Lower Cambrian and species occurred on all paleocontinents except for the Gondwana hea
Schematic showing the relationships between the genera within the Fallotaspoidea and with other trilobites
Drawing of Eofallotaspis tioutensis from Morocco
Olenelloidea
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The Olenelloidea are a superfamily of trilobites, a group of extinct marine arthropods. They lived during the late Lower Cambrian and species occurred on all paleocontinents.
Fallotaspidoidea
…and Australia, where fallotaspidoids and other Olenellina were absent. In Laurentia, the Fallotaspidoids were succeeded by Nevadioids, Judomioids and Olenelloids, the latter remaining the dominant group of trilobites until the extinction of all Olenellina at the very end of the Lower Cambrian, after which…
Olenellus gilberti lowlight CRF