†Quadrotheca Sysoyev 1958
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Hyolitha - Orthothecida - Orthothecidae
Parent taxon: Orthothecidae according to D. W. Fisher 1962
See also Sepkoski 2002
Sister taxa: Bactrotheca, Lenatheca, Lentitheca, Orthotheca, Semielliptotheca, Trapezotheca
Subtaxa: Quadrotheca shipaiensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Poland (1 collection), Sweden (1)
• Cambrian of China (1)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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