Trilobita - Ptychopariida - Ptychopariidae
Parent taxon: Ptychopariidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002 and Sundberg 1994
Sister taxa: Achlysopsis, Altikolia, Altitudella, Amecephalites, Asthenopsis, Austinvillia, Balangcunaspis, Bathyholcus, Bathyocos, Billingsaspis, Binodaspis, Bolaspidina, Braintreella, Brunswickia, Caborcella, Cathayanella, Champlainia, Chengshanaspis, Conopolus, Deltina, Douposiella, Entsyna, Eokaotaia, Eoptychoparia, Eospencia, Eurostina, Gaotanaspis, Gaphuraspis, Gedongaspis, Gunnia, Holasaphus, Illtydaspis, Jangudaspis, Jiagouia, Jialaopsis, Jianchangia, Jiumenia, Kaotaia, Kochiella, Kochiellina, Kounamkites, Kunmingaspis, Laminurus, Laoyingshania, Luxella, Lyriaspis, Meitania, Meniscopsia, Monanocephalus, Mufushania, Nangaoia, Nangaops, Nassovia, Neoblairella, Neoregina, Olenekina, Onchocephalites, Orienturus, Orlovia, Orloviella, Pachyaspis, Paleonelsonia, Palmerara, Palmeraspis, Panacus, Paraeosoptychoparia, Parahiolites, Paraperiomma, Paraplagiura, Parapoulsenia, Paraziboaspis, Periommella, Piaziella, Pingluaspis, Piochella, Plagiura, Plesiamecephalus, Poulsenella, Poulsenia, Probowmania, Probowmaniella, Probowmanops, Proliostracus, Protohedinia, Psilostracus, Ptychoparella, Ptychopariinae, Qiaotouaspis, Regius, Salankanaspis, Sanwania, Semisphaerocephalus, Shantungaspis, Shuiyuella, Sinoptychoparia, Spencia, Stoecklinia, Suluktella, Syspacephalus redpathi, Syspacephalus unca, Townleyella, Trigonyangaspis, Tukalandaspis, Ulrichaspis, Variopelta, Vermontella, Volocephalina, Wanhuaia, Weijiaspis, Wuhaina, Xingrenaspis, Yaojiayuella, Yohoaspis, Ziboaspidella, Ziboaspis
Subtaxa: Spencella buttsi Spencella utahensa
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Solvan of Canada (2: Newfoundland and Labrador collections)
• Delamaran of United States (9: Utah)
• Cambrian of United States (7: Alaska, Georgia, Utah, Virginia)
Total: 18 collections including 19 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.