Trilobita - Asaphida - Ceratopygidae
Synonym: Prionopyge Harrington and Leanza 1942 [objective synonym]
Parent taxon: Ceratopygidae according to R. A. Robison and J. Pantoja-Alor 1968
See also Harrington and Leanza 1957, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Ajacicrepida, Asiocephalus, Boschchekulia, Ceratopyge, Charchaqia, Diceratopyge, Dichelepyge, Dipleuropyge, Haniwoides, Hedinaspis, Hunanopyge, Hysterolenus, Iwayaspidinae, Kaltykelina, Kaufmannella, Kogenium, Macropyge, Macropygella, Mansuyella, Nannopeltis, Neohedinaspis, Proceratopyge, Pseudohysterolenus, Pseudoyuepingia, Tamdaspis, Tropidopyge, Yuepingioides
Subtaxa: Onychopyge acenolazai Onychopyge argentina Onychopyge gonzalezae Onychopyge longispina Onychopyge plagiacantha Onychopyge riojana Onychopyge sculptura
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenig of China (1 collection)
• Ordovician of Argentina (3), Australia (1), China (1)
• Tremadoc of Argentina (6), Bolivia (3), China (1), Mexico (3)
• Skullrockian of Argentina (1)
• Cambrian of Argentina (8), China (1)
Total: 29 collections including 32 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.