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 westropi, Labiostria gibbae, Labiostria conveximarginata
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
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.