Nectaspida Soft Bodied Trilobites
Nectaspida Arthropod Range Over Geologic Time

Phylum: Arthropoda
Stem-group Chelicerata
Order

  • Order Nektaspida
    • Family Emucaridae
    • Family Liwiidae
    • Family Naraoiidae
Also see: Nektaspida Classification

 

Nectaspida Soft Bodied Trilobite Fossils
Naraoia compacta
Naraoia compacta      
Early Cambrian
Family Naraoiidae
Burgess Shale, Canada