Hemithecella Butts 1941 (chiton)

Polyplacophora - Paleoloricata - Mattheviidae

Synonym: Elongata Stinchcomb and Darrough 1995

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

Parent taxon: Mattheviidae according to J., Jr. Pojeta et al. 2010

See also Runnegar et al. 1979, Sepkoski 2002 and Stinchcomb and Darrough 1995

Sister taxa: Calceochiton, Chelodes, Eukteanochiton, Matthevia, Robustum, Spicuchelodes

Subtaxa: Hemithecella abrupta Hemithecella eminensis Hemithecella expansa Hemithecella quinquelites

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Ecology: facultatively mobile epifaunal grazer

Distribution:

• Ordovician of United States (8: Missouri, Virginia collections)

• Cambrian of United States (6: Missouri)

Total: 14 collections including 17 occurrences

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Specimen images are retrieved through the ePANDDA API.


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