Bivalvia - Nuculida

Parent taxon: Nuculoidea according to J. G. Carter et al. 2011

Sister taxa: Cardiolariidae, Nucularcidae, Nuculidae

Subtaxa: Afganodesma, Concavodonta, Concavodontinae, Eritropis, Fidera, Habonucula, Homilodonta, Ledopsis, Nuculodonta, Palaeoconcha, Palaeoconchiella, Praenucula, Praenuculinae, Pseudoledopsis, Pseudonucula, Similodonta, Smilodonta, Tironucula

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Type: Praenucula

Ecology: facultatively mobile shallow infaunal deposit feeder