Helcionella subrugosa Hall 1847 (mollusk)

Helcionelloida - Helcionellida - Helcionellidae

Alternative combination: Helcion subrugosus

Invalid subtaxa: Helcionella rugosa Hall 1847 [replaced name], Metoptoma rugosa Hall 1847 [replaced name], Stenotheca rugosa Hall 1847 [replaced name]

Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338

Belongs to Helcionella according to E. Landing and K.E. Bartowski 1996

See also Cobbold 1934, d'Orbigny 1850, Geyer 1986, Grabau 1900, Grabau and Shimer 1909, Hall 1847, Knight 1941, Matthew 1885, Runnegar and Jell 1976, Tate 1892, Walcott 1886, Walcott 1890 and Walcott 1905

Sister taxa: Helcionella antiqua, Helcionella aspera, Helcionella capula, Helcionella explanata, Helcionella histosia, Helcionella kunyangensis, Helcionella lemdadensis, Helcionella pricei, Helcionella radiata, Helcionella sidingshanensis, Helcionella tianzhushanensis, Helcionella waageni, Helcionella xinjiangensis, Helcionella yunnanensis

Ecology: slow-moving low-level epifaunal detritivore

Distribution:

• Cambrian of Morocco (2 collections), Norway (1), United States (2: Nevada, New York)

Total: 5 collections each including a single occurrence

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