High-level taxonomic splitting in allopatric taxa causes confusion downstream: a revision of the nudibranch family Сoryphellidae Author Ekimova, Irina Author Valdés, Ángel Author Malaquias, Manuel António E Author Rauch, Cessa Author Chichvarkhin, Anton Author Mikhlina, Anna Author Antokhina, Tatiana Author Chichvarkhina, Olga Author Schepetov, Dimitry text Zoological Journal of the Linnean Society 2022 2022-09-01 196 1 215 249 https://academic.oup.com/zoolinnean/article/196/1/215/6549318 journal article 133193 10.1093/zoolinnean/zlab109 85c62267-04fb-4e36-8c00-1ef4bb11c343 0024-4082 7031383 D58B403C-FA2D-4EDC-85CE-D889A69AF0DE CORYPHELLA AMABILIS ( HIRANO & KUZIRIAN, 1991 ) ( FIGS 8F , 10 , 11D–G , 12C–F ) Diagnosis: Body narrow, notal ridge partly reduced, discontinuous. Rhinophores smooth, white. Cerata in several groups, long, coloration reddish-orange to intensive red. Anal opening pleuroproctic, under third row of second group of cerata. Jaws triangle plates, masticatory process with four to six rows of small conical denticles. Radula triserial, rachidian tooth triangle plate with non-compressed elongated conical cusp and seven to nine denticles on each side forming deep furrows. Lateral teeth triangle, bearing five to seven small denticles, with attenuated basal process. Vas deferens long, convoluted, thin. Penis narrow, conical. See Supporting Information, Table S1 for list of examined material.