Trilobita - Asaphida - Nileidae
Full reference: R. J., J.r. Ross and H. B. Barnes. 1967. Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States. United States Geological Survey Professional Paper 523-D:D1-D4
Belongs to Nileus according to R. J., Jr. Ross and H. B. Barnes 1967
Sister taxa: Nileus affinis, Nileus amplus, Nileus australis, Nileus cingolanii, Nileus depressus, Nileus deynouxi, Nileus erici, Nileus exarmatus, Nileus gabata, Nileus glazialis, Nileus lacunosa, Nileus macrops, Nileus orbiculatoides, Nileus orbiculatus, Nileus petilus, Nileus planiceps, Nileus porosus, Nileus scrutator, Nileus walcotti, Remopleuridioides preandinus
Type specimen: USNM 145753, a cephalon/head (cranidium)
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Whiterockian of United States (1: Nevada collection)
• Ordovician of United States (3: California, Nevada)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.