Trilobita - Ptychopariida - Ptychopariidae
Full reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131
Belongs to Syspacephalus according to A. R. Palmer and R. B. Halley 1979
See also Sundberg and McCollum 2003
Sister taxa: Ptychoparella minuta, Ptychoparella usualis, Elrathina cordillerae, Elrathina wheelera, Elrathina antiqua, Elrathina marginalis, Elrathina offula, Syspacephalus werneckensis, Syspacephalus gregarius, Syspacephalus vapidus, Syspacephalus variosus, Syspacephalus cadyi, Syspacephalus mccollumorum, Syspacephalus crassus, Syspacephalus laticeps, Syspacephalus charops
Type specimen: Its type locality is Belted Range, Carrara Fm, Pyramid Shale Mbr(USGS 4435-CO), which is in a Delamaran lagoonal/restricted shallow subtidal shale/siltstone in the Carrara Formation of Nevada.
Ecology: fast-moving epifaunal detritivore
Distribution:
• Delamaran of United States (2: Nevada 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.