Trilobita - Odontopleurida - Odontopleuridae

Alternative combination: Acidaspis obsoleta

Belongs to Dalaspis according to D. J. Holloway 2021

Sister taxa: Dalaspis boltoni, Dalaspis pustulosa

Type specimen: PU 57687a, a cephalon/head

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at USNM 438c. Searcy Spring (Silurian of Arkansas)

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Specimen images are retrieved through the ePANDDA API.