An extraordinary new fluvial bdelloid rotifer, Coronistomus impossibilis gen. nov. sp. nov., with adaptations for turbulent flow (Rotifera: Bdelloidea: Coronistomidae fam. nov.) Author Örstan, Aydin text Zootaxa 2021 2021-04-30 4966 1 16 28 journal article 6541 10.11646/zootaxa.4966.1.2 1c5c6755-0fec-4bfe-b6b7-2653e4a30a97 1175-5326 4736208 953EBF83-58FB-4BA6-BFD6-76DCE690DA30 Family Coronistomidae fam. nov. Diagnosis : Corona weakly bilobed ciliated field with lateral borders continuing into mouth; pedicels lacking; trophi with semicircular continuous manubria, not protrusible; two ventral toes and one caudal appendage with two attachment nibs. Type genus: Coronistomus gen. nov.