Artiopoda - 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
Parent taxon: Hystricuridae according to J. M. Adrain and S. R. Westrop 2006
Sister taxa: Amblycranium, Etheridgaspis, Glabretina, Guizhouhystricurus, Hillyardininae, Hintzecurinae, Holubaspis, Hystricurinae, Hystricurus, Litzicurus, Nyaya, Omuliovia, Paenebeltella, Parahystricurus, Paraplethopeltis, Psalikilus, Rollia, Svalbardicurus, Taoyuania, Tasmanaspis
Subtaxa: Millardicurus armatus Millardicurus housensis Millardicurus longicephalus Millardicurus millardensis Millardicurus nudus Millardicurus paramillardensis Millardicurus ravni
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Ordovician of Canada (1: Newfoundland and Labrador collection), Greenland (3), United States (2: New Mexico, Utah)
• Skullrockian of Canada (9: Newfoundland, Newfoundland and Labrador), Greenland (1), United States (8: New York, Oklahoma, Texas, Utah)
• Cambrian of United States (3: Texas, Utah)
Total: 27 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.