Gastropoda - Murchisoniina - Murchisoniidae

Full reference: R. M. Linsley. 1968. Gastropods of the Middle Devonian Anderdon Limestone. Bulletins of American Paleontology 54(244):333-465

Parent taxon: Murchisoniidae according to R. M. Linsley 1968

Sister taxa: Aclisina, Arribazona, Barroisocaulus, Bellazona, Biangularia, Brilonella, Cheilotomona, Cibecuia, Cyrtostropha, Devonocerithioides, Domiporta, Farewellia, Glyphodeta, Helicospira, Leptorima, Lodanaria, Loxosonia, Mesocoelia, Michelia, Micrentoma, Morania, Murchisonia, Parahormotomina, Protospira, Pseudoaclisina, Trypanocochlea, Vebericochlis, Vistilia, Vladanella, Wuxuanella

Subtaxa: Crenulazona angulata, Crenulazona wuxuanensis

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Type: Crenulazona angulata

Ecology: facultatively mobile epifaunal suspension feeder