Illtydaspis aphylla Fritz 1991 (trilobite)

Trilobita - Ptychopariida - Ptychopariidae

Full reference: W. H. Fritz. 1991. Lower Cambrian Trilobites from the Illtyd Formation, Wernecke Mountains, Yukon Territory. Geological Survey of Canada Bulletin 409

Belongs to Illtydaspis according to W. H. Fritz 1991

Sister taxa: Illtydaspis ornata, Illtydaspis quartetensis

Type specimen: GSC 91853, a cephalon/head (cranidium). Its type locality is Collection 90671, which is in a Dyeran marine limestone in the Illtyd Formation of Canada.

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Collection 90671

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