Rhynchonellata - Orthida - Nanorthidae
Alternative combinations: Orthambonites perplexus, Plectorthis perplexus
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 Shoshonorthis according to V. Jaanusson and M. G. Bassett 1993
See also Ross 1970 and Ross and Barnes 1967
Sister taxa: Shoshonorthis dinorthides, Shoshonorthis michaelis, Shoshonorthis ovata, Shoshonorthis subconvexus, Shoshonorthis swanensis, Shoshonorthis tifletensis
Type specimen: USNM 145668
Ecology: stationary epifaunal suspension feeder
Distribution:
• Whiterockian of United States (6: Nevada collections)
• Ibexian of United States (1: Nevada)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.