Trilobita - Olenida - Aphelaspidae
Parent taxon: Aphelaspididae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Amorphella, Aphelaspis, Apheloides, Dicanthopyge, Eugonocare, Kazakhius, Kobayashella, Listroa, Litocephalus, Maduiya, Nganasanella, Notoaphelaspis, Olenaspella, Olentella, Pseudeugonocare, Taenicephalites, Taenora, Tamaranella
Subtaxa: Erixanium carinatum Erixanium multisegmentus Erixanium rectangularis Erixanium sentum
Type: Erixanium sentum
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Australia (1 collection)
• Cambrian of Canada (2: Yukon), China (4), Kazakhstan (4), the Russian Federation (2), United States (13: Nevada, Nevada and Utah, Utah)
Total: 26 collections including 27 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.