Rhombifera - Pleurocystitidae

Full reference: C. R. C. Paul. 1984. British Ordovician Cystoids, part 2. Monographs of the Palaeontographical Society 136(2):65-152

Parent taxon: Pleurocystitinae according to C. D. Sumrall and J. Sprinkle 1995

See also Sepkoski 2002

Sister taxa: Amecystis, Pleurocystites, Praepleurocystis, Turgidacystis

Subtaxa: Pygecystis procera Pygecystis quadrata

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: found only at Locality 5. “Starfish Bed,” small cliff above S. bank of Lady Burn River, 100 meters south of South Treave Farmhouse, Thraive Glen, Girvan (Ordovician of the United Kingdom)

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Specimen images are retrieved through the ePANDDA API.