Rhynchonellata - Pentamerida - Clarkellidae

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

See also Sepkoski 2002

Sister taxa: Calliglypha, Clarkella, Diaphelasma, Fenxiangella, Parallelostrophia, Stichotrophia, Syntrophina, Syntrophinella, Yangtzeella

Subtaxa: Acanthoglypha affinis

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Type: Streptis affinis

Ecology: stationary epifaunal suspension feeder

Distribution: found only at banks of un-named stream, 2km south-west of Srah Bridge (Ordovician of Ireland)

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Specimen images are retrieved through the ePANDDA API.