Helcionelloida - Helcionellida - Yochelcionellidae

Synonym: Runnegarella Parkhaev 2002

Full reference: B. Runnegar and J. Pojeta, Jr. 1974. Molluscan phylogeny: the paleontological viewpoint. Science 186(4161):311-317

Parent taxon: Yochelcionellidae according to P. J. Wagner 2011

Sister taxa: Enigmaconus, Eotebenna, Janospira, Jinonicella

Subtaxa: Yochelcionella aichalica, Yochelcionella americana, Yochelcionella angustiplicata, Yochelcionella chinensis, Yochelcionella crassa, Yochelcionella cyrano, Yochelcionella daleki, Yochelcionella erecta, Yochelcionella gracilis, Yochelcionella greenlandica, Yochelcionella ostentata, Yochelcionella pelmani, Yochelcionella saginata, Yochelcionella snorkorum, Yochelcionella stylifera

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Type: Yochelcionella cyrano

Ecology: slow-moving low-level epifaunal grazer