Trilobita - Proetida - Dimeropygidae

Full reference: J. D. Loch. 2007. Trilobite biostratigraphy and correlation of the Kindblade Formation (Lower Ordovician) of Carter and Kiowa Counties, Oklahoma. Oklahoma Geological Survey Bulletin 149:1-154

Belongs to Ischyrotoma according to J. D. Loch 2007

Sister taxa: Ischyrotoma anataphra, Ischyrotoma borealis, Ischyrotoma juabensis, Ischyrotoma parallela, Ischyrotoma stubblefieldi, Ischyrotoma twenhofeli, Ischyrotoma wahwahensis

Type specimen: UMC 17085, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal deposit feeder