Trilobita - 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
Parent taxon: Dimeropygidae according to N. E. B. McAdams and J. M. Adrain 2009
Sister taxa: Bearriverops, Chomatopyge, Dimeropyge, Dimeropygiella, Ischyrotoma, Mesotaphraspidinae, Mesotaphraspis, Pseudohystricurus, Toernquistia, Tulepyge, Toernquistina
Subtaxa: Heckethornia alticapitis Heckethornia ballionae Heckethornia bowiei Heckethornia hyndeae Heckethornia morrisseyi Heckethornia numani Heckethornia smithi
Type: Heckethornia smithi
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Whiterockian of United States (1: Utah collection)
• Ordovician of United States (12: Nevada, Utah)
Total: 13 collections including 17 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.