Artiopoda - Agnostida - Diplagnostidae
Alternative combinations: Agnostus douvillei, Pseudagnostus douvillei
Synonym: Pseudagnostina contracta Palmer 1962
Belongs to Pseudagnostina according to Pratt 1992
See also Sun 1989
Sister taxa: Pseudagnostus (Pseudagnostus), Pseudagnostus ampullatus, Pseudagnostus anhuiensis, Pseudagnostus benxiensis, Pseudagnostus bulgosus, Pseudagnostus canadensis, Pseudagnostus chinensis, Pseudagnostus communis, 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, Rhaptagnostus ciliensis, Rhaptagnostus convexiformis, Rhaptagnostus changshanensis, Rhaptagnostus simplex, Rhaptagnostus bifax, Rhaptagnostus auctor, Rhaptagnostus elix, Rhaptagnostus apsis, Rhaptagnostus pseudoconvergens, Rhaptagnostus obsoletus, Rhaptagnostus cyclopygeformis, Rhaptagnostus langyashanensis, Rhaptagnostus gunnari, Rhaptagnostus heteromorphus, Rhaptagnostus anhuiensis, Rhaptagnostus plenus, Litagnostus meniscus, Litagnostus levisensis, Pseudagnostus (Sulcatagnostus) rugosus, Pseudagnostus (Sulcatagnostus) hunanensis, Pseudagnostus (Sulcatagnostus) dubius
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Canada (12: Newfoundland and Labrador, Yukon collections), China (10), United States (25: Alabama, Nevada, South Dakota, Wyoming)
Total: 47 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.