Artiopoda - Agnostida - Diplagnostidae
Alternative combinations: Agnostus securiger, Pseudagnostus (Sulcatagnostus) securiger, Sulcatagnostus securiger
Belongs to Pseudagnostus according to D. K. Choi et al. 2004
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 sericatus, Pseudagnostus subquadratus, Pseudagnostus vastulus, Rhaptagnostus ciliensis, Rhaptagnostus convexiformis, Rhaptagnostus gunnari, Rhaptagnostus elix, Rhaptagnostus bifax, Rhaptagnostus changshanensis, Rhaptagnostus apsis, Rhaptagnostus plenus, Rhaptagnostus auctor, Rhaptagnostus heteromorphus, Rhaptagnostus cyclopygeformis, Rhaptagnostus obsoletus, Rhaptagnostus pseudoconvergens, Rhaptagnostus langyashanensis, Rhaptagnostus simplex, Rhaptagnostus anhuiensis, Litagnostus meniscus, Litagnostus levisensis, Pseudagnostina douvillei, Pseudagnostus (Sulcatagnostus) rugosus, Pseudagnostus (Sulcatagnostus) hunanensis, Pseudagnostus (Sulcatagnostus) dubius
Type specimen: GSM57650, a carapace
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Canada (2: British Columbia, Yukon collections)
• Taoyuanian of the Russian Federation (1), South Korea (6)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.