ammonites
Sinoclavus Duan 1984

Cambroclavida - Zhijinitidae

Full reference: C. Duan. 1984. Small shelly fossils from the Lower Cambrian Xihaoping Formation the Shennongjia district, Hubei Province - hyoliths and fossil skeletons of unknown affinities. Bulletin of the Tianjin Institute of Geology and Mineral Resources 7:141-188

Parent taxon: Cambroclavitidae according to C. Duan 1984

Sister taxa: Ambarchaeooides, Cambrothyra, Deiradovclavus, Deltaclavus, Isoclavus, Paracarinachites, Pseudoclavus, Tanbaoites, Zhijinites, Cambroclavus

Subtaxa: Sinoclavus clavatus, Sinoclavus flabelliformis, Sinoclavus humulis

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Type: Sinoclavus clavatus

Ecology: slow-moving low-level epifaunal detritivore