Trilobita - Proetida - Hystricuridae
Full reference: R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161
Parent taxon: Hystricuridae according to J. M. Adrain et al. 2003
See also Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Etheridgaspis, Glabretina, Guizhouhystricurus, Hillyardininae, Hintzecurinae, Holubaspis, Hystricurinae, Hystricurus, Litzicurus, Millardicurus, Nyaya, Omuliovia, Paenebeltella, Parahystricurus, Paraplethopeltis, Psalikilus, Rollia, Svalbardicurus, Taoyuania, Tasmanaspis
Subtaxa: Amblycranium cornutum Amblycranium linearus Amblycranium populus Amblycranium variabile
Type: Amblycranium variabile
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Ordovician of United States (9: Idaho, Utah collections)
Total: 9 collections including 13 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.