Artiopoda - Proetida - Dimeropygidae
Full reference: N. E. B. McAdams and J. M. Adrain. 2009. Heckethornia, a new genus of dimeropygid trilobites from the Lower Ordovician (Ibexian; Tulean and Blackhillsian) of the Great Basin, western USA. Canadian Journal of Earth Sciences 46:875-914
Belongs to Heckethornia according to N. E. B. McAdams and J. M. Adrain 2009
Sister taxa: Heckethornia alticapitis, Heckethornia ballionae, Heckethornia bowiei, Heckethornia hyndeae, Heckethornia numani, Heckethornia smithi
Type specimen: SUI 113495, a cephalon/head (cranidium). Its type locality is H 93.4, Hintze's H section, which is in a Tulean shallow subtidal horizon in the Fillmore Formation of Utah.
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Ordovician of United States (2: Nevada, Utah collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.