ammonites
Pararigbyella Shen and Zhang 2008 (lamp shell)

Strophomenata - Productida - Lyttoniidae

Full reference: S. Z. Shen and Y. C. Zhang. 2008. Earliest Wuchiapingian (Lopingian, Late Permian) brachiopods in southern Hunan, south China: implications for the pre-Lopingian crisis and onset of Lopingian recovery/radiation. Journal of Paleontology 82(5):924-937

Parent taxon: Lyttoniinae according to S. Z. Shen and Y. C. Zhang 2008

Sister taxa: Cardinocrania, Collemataria, Coscinophora, Eolyttonia, Gubleria, Keyserlingina, Leptodus, Loxophragmus, Matanoleptodus, Oldhamina, Oldhaminella, Petasmaia, Pirgulia

Subtaxa: Pararigbyella doulingensis, Pararigbyella quadrilobata

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Type: Pararigbyella quadrilobata

Ecology: stationary low-level epifaunal suspension feeder