†order Cyrtonellida Horný 1963 (mollusk)

Tergomya - Cyrtonellida

Full reference: R. J. Horný. 1963. On the systematic position of cyrtonelloids (Mollusca). Časopis Národni Muzea - Oddíl přírodovĕdny 132(2):90-94

Parent taxon: Tergomya according to D. E. Evans and J.C.W. Cope 2003

See also Bengtson 1992, Ebbestad and Yochelson 2000, Peel 1991, Runnegar and Jell 1976, Sepkoski 2002, Starobogatov 1970 and Wahlman 1992

Sister taxa: Archinacellida, Hypseloconida, Kiringellida, Scenelloidea, Tryblidiida

Subtaxa: Aremellia Carcassonnellidae Cyrtolitidae Cyrtonelloidea Hamusella Pollicinidae Tetamocornu Yangtzeconus Yochelsonia

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Ecology: slow-moving low-level epifaunal grazer

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