Hemithecella expansa Butts 1941 (chiton)

Polyplacophora - Paleoloricata - Mattheviidae

Full reference: C. Butts. 1941. Geology of the Appalachian Valley in Virginia. Part II ' Fossil plates and explanations. Virginia Geological Survey Bulletin 52:1-271

Belongs to Hemithecella according to M. J. Vendrasco and B. Runnegar 2004

See also Butts 1941, Runnegar et al. 1979 and Stinchcomb and Darrough 1995

Sister taxa: Hemithecella abrupta, Hemithecella eminensis, Hemithecella quinquelites

Type specimen: Its type locality is Just north of De Busk Mill, 3 miles south of Glade Spring, which is in a Deming carbonate limestone in the Chepultepec Formation of Virginia

Ecology: facultatively mobile epifaunal grazer


• Ordovician of United States (7: Missouri, Virginia collections)

Total: 7 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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