Artiopoda - Agnostida - Diplagnostidae
Alternative combination: Agnostus communis
Full reference: J. Hall and R. P. Whitfield. 1877. Paleontology. U.S. Geological Explorations 40th Parallel 4:197-302
Belongs to Pseudagnostus according to J. H. Stitt 1971
See also Hall and Whitfield 1877, Palmer 1954 and Walcott 1884
Sister taxa: Pseudagnostus (Pseudagnostus), Pseudagnostus ampullatus, Pseudagnostus anhuiensis, Pseudagnostus benxiensis, Pseudagnostus bulgosus, Pseudagnostus canadensis, Pseudagnostus chinensis, Pseudagnostus cyclopyge, Pseudagnostus dividuus, Pseudagnostus gyps, Pseudagnostus idalis, Pseudagnostus josephus, Pseudagnostus karatauensis, Pseudagnostus koerferi, Pseudagnostus leptoplastorum, Pseudagnostus marginisulcatus, Pseudagnostus medius, Pseudagnostus mestus, Pseudagnostus obsurdus, Pseudagnostus papilio, Pseudagnostus planulatus, Pseudagnostus praecurrens, Pseudagnostus primus, Pseudagnostus prolongus, Pseudagnostus pseudangustilobus, Pseudagnostus pseudocyclopyge, Pseudagnostus punctatus, Pseudagnostus rajovopsis, Pseudagnostus securiger, Pseudagnostus sericatus, Pseudagnostus subquadratus, Pseudagnostus vastulus, Pseudagnostus (Sulcatagnostus) dubius, Pseudagnostus (Sulcatagnostus) rugosus, Pseudagnostus (Sulcatagnostus) hunanensis, Pseudagnostina douvillei, Rhaptagnostus anhuiensis, Rhaptagnostus heteromorphus, Rhaptagnostus convexiformis, Rhaptagnostus auctor, Rhaptagnostus bifax, Rhaptagnostus obsoletus, Rhaptagnostus pseudoconvergens, Rhaptagnostus langyashanensis, Rhaptagnostus apsis, Rhaptagnostus changshanensis, Rhaptagnostus plenus, Rhaptagnostus cyclopygeformis, Rhaptagnostus gunnari, Rhaptagnostus simplex, Rhaptagnostus elix, Rhaptagnostus ciliensis, Litagnostus meniscus, Litagnostus levisensis
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Canada (13: Newfoundland and Labrador, Yukon collections), China (4), Kazakhstan (13), United States (34: Alaska, Arkansas, Missouri, Nevada, Nevada and Utah, Oklahoma, Tennessee, Texas, Virginia)
Total: 64 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.