Gastropoda - Trochoidea - Araeonematidae

Full reference: J. B. Knight. 1933. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: V. The Trocho-Turbinidae. Journal of Paleontology 7(1):30-58

Parent taxon: Araeonematidae according to A. Nützel 2012

Sister taxa: Araeonema, Yunnania

Subtaxa: Rhabdotocochlis conveximarginatus, Rhabdotocochlis ovata, Rhabdotocochlis rugata, Rhabdotocochlis turgida

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Ecology: epifaunal grazer