Aphelaspis brachyphasis Palmer 1962 (trilobite)

Trilobita - Olenida - Aphelaspidae

Full reference: A.R. Palmer. 1962. Glyptagnostus and associated trilobites in the United States. United States Geological Survey Professional Paper 374(F):F1-F49

Belongs to Aphelaspis according to A.R. Palmer 1962

Sister taxa: Aphelaspis buttsi, Aphelaspis constricta, Aphelaspis granulata, Aphelaspis longifrons, Aphelaspis longispina, Aphelaspis spinosa, Aphelaspis subditus, Aphelaspis walcotti, Labiostria sigmoidalis, Labiostria conveximarginata, Labiostria gibbae, Labiostria westropi

Type specimen: USNM 143168, a cephalon/head (cranidium). Its type locality is Steptoean Stage, Duck Creek, Nevada - Palmer 1999, which is in the Steptoean/Dolgellian of shale/limestone the Dunderberg Formation Nevada.

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Cambrian of Canada (2: Yukon collections), United States (3: Nevada)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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