Best Trinucleidae
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Ordovician trinucleid trilobite distributed across Europe and North Africa, notable for a broad cephalic fringe densely perforated by regularly arranged pits whose function remains debated.
Ordovician trinucleid trilobite from European strata, characterized by a wide pitted cephalic fringe and an eyeless cephalon, consistent with the trinucleoid infaunal lifestyle.
Ordovician trinucleid trilobite with a broad cephalic fringe bearing concentric rows of pits, widely distributed across European and North African Late Ordovician shelf deposits.
Small Ordovician raphiophorid trilobite found in European strata, notable for its simplified exoskeleton and reduced pygidium relative to the proportionally large cephalon.
A Devonian trilobite from the Crozon Peninsula of Brittany, France, Crozonaspis is an important zonal fossil for Early Devonian marine strata.
