Rhynchonellata - Pentamerida - Tetralobulidae

Parent taxon: Syntrophopsinae according to A. Williams et al. 2002

See also Sepkoski 2002

Sister taxa: Altunella, Bobinella, Palaeostrophia, Plectotrophia, Rhysostrophia, Syntrophopsis, Tcharella

Subtaxa: Hesperotrophia obscura

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Ecology: stationary epifaunal suspension feeder

Distribution: found only at northeast shoulder of Fossil Mountain, 8.7 miles northeast of Lake Louise (Ordovician of Alberta)

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Specimen images are retrieved through the ePANDDA API.