Artiopoda - Asaphida - Asaphidae

Alternative combination: Blountina triangularis

Full reference: C. Lochman and D. C. Duncan. 1944. Early Upper Cambrian faunas of central Montana. Geological Society America Bulletin 54:461-477

Belongs to Maryvillia according to M. Armstrong et al. 2020

See also Lochman and Duncan 1944

Sister taxa: Maryvillia arion, Maryvillia omega

Type specimen: USNM 127159, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Horizon 9.2. Half Moon Pass, Big Snowy Mountains (Cambrian of Montana)

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Specimen images are retrieved through the ePANDDA API.