Trilobita - Ptychopariida - Ptychopariidae
Synonym: Nelsonia Palmer and Gatehouse 1972 [replaced name]
Full reference: H. Özdikmen. 2008. Nomenclatural changes for three preoccupied trilobites genera. Munis Entomology & Zoology 3:317-320
Parent taxon: Ptychopariidae according to H. Özdikmen 2008
See also Jell and Adrain 2002 and Palmer and Gatehouse 1972
Sister taxa: Achlysopsis, Altikolia, Altitudella, Amecephalites, Asthenopsis, Austinvillia, Balangcunaspis, Bathyholcus, Bathyocos, Billingsaspis, Binodaspis, Bolaspidina, Braintreella, Brunswickia, Caborcella, Cathayanella, Champlainia, Chengshanaspis, Conopolus, Deltina, Douposiella, Entsyna, Eodouposiella, Eokaotaia, Eoptychoparia, Eospencia, Eurostina, Gaotanaspis, Gaphuraspis, Gedongaspis, Gunnia, Holasaphus, Illtydaspis, Jangudaspis, Jiagouia, Jialaopsis, Jianchangia, Jiumenia, Kaotaia, Kermanella, Kochiella, Kochiellina, Kounamkites, Kunmingaspis, Laminurus, Laoyingshania, Luxella, Lyriaspis, Meitania, Meniscopsia, Monanocephalus, Mufushania, Nangaoia, Nangaops, Nassovia, Neoblairella, Neoregina, Olenekina, Onchocephalites, Orienturus, Orlovia, Orloviella, Pachyaspis, 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, Reedus, Regius, Salankanaspis, Sanwania, Semisphaerocephalus, Shantungaspis, Shuiyuella, Sinoptychoparia, Spencella, Spencia, Stoecklinia, Suluktella, Syspacephalus redpathi, Syspacephalus unca, Townleyella, Trigonyangaspis, Tukalandaspis, Ulrichaspis, Variopelta, Vermontella, Volocephalina, Wanhuaia, Weijiaspis, Wuhaina, Xingrenaspis, Yaojiayuella, Yohoaspis, Ziboaspidella, Ziboaspis
Subtaxa: Paleonelsonia schesis
Type: Nelsonia schesis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Antarctica (3 collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.