Pseudagnostus (Sulcatagnostus) dubius Lu and Lin 1989 (artiopod)

Artiopoda - Agnostida - Diplagnostidae

Full reference: Y. H. Lu and H. L. Lin. 1989. The Cambrian trilobites of western Zhejiang. Palaeontologia Sinica, new series B 25:1-287

Belongs to Pseudagnostus (Sulcatagnostus) according to Y. H. Lu and H. L. Lin 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, Litagnostus levisensis, Litagnostus meniscus, Rhaptagnostus apsis, Rhaptagnostus plenus, Rhaptagnostus changshanensis, Rhaptagnostus heteromorphus, Rhaptagnostus gunnari, Rhaptagnostus cyclopygeformis, Rhaptagnostus bifax, Rhaptagnostus auctor, Rhaptagnostus elix, Rhaptagnostus convexiformis, Rhaptagnostus obsoletus, Rhaptagnostus simplex, Rhaptagnostus ciliensis, Rhaptagnostus langyashanensis, Rhaptagnostus pseudoconvergens, Rhaptagnostus anhuiensis, Pseudagnostina douvillei, Pseudagnostus (Sulcatagnostus) rugosus, Pseudagnostus (Sulcatagnostus) hunanensis

Type specimen: Its type locality is Xiyangshan, bed 9, which is in a Paibian slope limestone/shale in the Huayansi Formation of China

Ecology: slow-moving epifaunal detritivore

Distribution: found only at Xiyangshan, bed 9

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