†Bactrotheca Novak 1891
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Hyolitha - Orthothecida - Orthothecidae
Parent taxon: Orthothecidae according to D. W. Fisher 1962
See also Landing and Bartowski 1996 and Sepkoski 2002
Sister taxa: Lenatheca, Lentitheca, Orthotheca, Quadrotheca, Semielliptotheca, Trapezotheca
Subtaxa: Bactrotheca emmonsi Bactrotheca teres
Type: Hyolithes teres
Ecology: stationary epifaunal suspension feeder
Distribution:
• Dobrotivian of Czechia (1 collection)
• Ordovician of Czechia (2), Sweden (1), the United Kingdom (5)
• Cambrian of Canada (3: Quebec), United States (5: New York)
Total: 17 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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