Rhynchonellata - Rhynchonellida - Pygmaellidae

Parent taxon: Pugnacoidea according to V. V. Baranov and R. B. Blodgett 2016

Sister taxa: Aseptorhynchiidae, Basiliolidae, Camerophorinidae, Erymnariidae, Ladogiidae, Paranorellidae, Petasmariidae, Plectorhynchellidae, Pseudocapillirhynchia, Pugnacidae, Rozmanariidae, Yunnanellidae

Subtaxa: Pedderia

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Ecology: stationary epifaunal suspension feeder

Distribution: found only at 83RB21 - 050 meters (Devonian of Alaska)

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