Helcionelloida - Helcionellida - Rugaeconidae
Synonyms: Obscurania Vassiljeva 1990, Obscurella Vassiljeva 1990, Rugaeconus Vassiljeva 1990, Scutatestomaconus
Full reference: T.G. He and X.H. Yang. 1982. Lower Cambrian Meishucun Stage of the western Yangtze stratigraphic region and its small shelly fossils. Bulletin of the Chengdu Institute of Geological and Mineral Research 1982(3):69-95
Parent taxon: Rugaeconidae according to P. Y. Parkhaev and Y. Demidenko 2010
See also Kouchinsky et al. 2017, Oh et al. 2025, Parkhaev 2001, Parkhaev 2002 and Sepkoski 2002
Sister taxa: none
Subtaxa: Obscurania auriculata Xianfengella prima Xianfengella yatesi
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Cambrian of Antarctica (1 collection), Australia (4), China (14), France (2), Greenland (5), the Russian Federation (1)
Total: 27 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
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