Artiopoda - Olenida - Olenidae
Alternative combination: Porterfieldia jachalensis
Full reference: H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication 1:1-276
Belongs to Triarthrus according to G. D. Edgecombe et al. 2005
See also Fortey and Owens 1978, Harrington and Leanza 1957, Ludvigsen and Tuffnell 1983 and Waisfeld and Vaccari 2003
Sister taxa: Triarthrus akkermensis, Triarthrus becki, Triarthrus beckii, Triarthrus billingsi, Triarthrus canadensis, Triarthrus eatoni, Triarthrus freji, Triarthrus glaber, Triarthrus humilis, Triarthrus jemtlandicus, Triarthrus latissimus, Triarthrus linnarssoni, Triarthrus rougensis, Triarthrus sichuansis, Triarthrus skutensis, Triarthrus spinosus, Triarthrus turkestanicus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Argentina (11 collections)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.