†Sphenotreta (lamp shell)
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Rhynchonellata - Rhynchonellida - Sphenotretidae
Parent taxon: Sphenotretidae according to A. Williams et al. 2002
See also Sepkoski 2002
Sister taxa: Altaethyrella, Dorytreta
Subtaxa: Sphenotreta acutirostris Sphenotreta sulcata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of Canada (5: Ontario, Quebec collections), United States (25: New York, Vermont)
• Whiterockian of United States (1: Nevada)
• Ordovician of the Russian Federation (2), the United Kingdom (1), United States (10: Virginia)
Total: 44 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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