Trilobita - Corynexochida - Illaenidae
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 Illaenus according to R. J., Jr. Ross and H. B. Barnes 1967
Sister taxa: Deucalion, Illaenus (Parillaenus), Illaenus aduncus, Illaenus alveatus, Illaenus angelini, Illaenus bayfieldi, Illaenus bucculentus, Illaenus cekovioides, Illaenus consimilis, Illaenus consobrinus, Illaenus crassicauda, Illaenus dalecarlicus, Illaenus fieldi, Illaenus fraternus, Illaenus gelasinus, Illaenus gigas, Illaenus kueichouensis, Illaenus lacertus, Illaenus lautus, Illaenus marginalis, Illaenus oscitatus, Illaenus protuberans, Illaenus renhuaniensis, Illaenus sinensis, Illaenus spiculatus, Illaenus tianrongi, Illaenus tingi, Illaenus tumidifrons, Illaenus usitatus, Illaenus utahensis, Illaenus viator, Illaenus wimani, Actinolobus americanus, Actinolobus atavus
Type specimen: USNM 145764, a cephalon/head (cranidium)
Ecology: nektobenthic carnivore
Distribution:
• Whiterockian of United States (3: Nevada collections)
• Ordovician of United States (1: 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.