Trilobita - Asaphida - Asaphidae
Full reference: L. Amati. 2014. Isoteline trilobites of the Viola Group (Ordovician: Oklahoma): systematics and stratigraphic occurrence. Oklahoma Geological Survey Bulletin 151:1-125
Belongs to Ectenaspis according to L. Amati 2014
Sister taxa: Ectenaspis beckeri, Ectenaspis homalonotoides
Type specimen: OU 11827, a cephalon/head (cranidium with left eye-stalk and palpebral lobe preserved). Its type locality is Hillside exposure and stream cut, about 2.5 km west of Nebo, OK, which is in a Maysvillian deep subtidal grainstone/rudstone in the Welling Formation of Oklahoma.
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at Hillside exposure and stream cut, about 2.5 km west of Nebo, OK
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.