Trilobita - Proetida - Hystricuridae
Full reference: J. M. Adrain and S. R. Westrop. 2006. New earliest Ordovician trilobite genus Millardicurus: the oldest known hystricurid. Journal of Paleontology 80(4):650-671
Belongs to Millardicurus according to J. M. Adrain and S. R. Westrop 2006
Sister taxa: Millardicurus armatus, Millardicurus longicephalus, Millardicurus millardensis, Millardicurus nudus, Millardicurus paramillardensis, Millardicurus ravni
Type specimen: SUI 100119, a cephalon/head (cranidium). Its type locality is LDNS 22.5, Lava Dam North, which is in a Skullrockian shallow subtidal horizon in the House Formation of Utah.
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: found only at LDNS 22.5, Lava Dam North
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.