Sister taxa

Sister taxa (members belonging to the genus Isognomon)

·         I. acutirostris

·         I. alata

·         I. alata bicolor

·         I. alatus

·         I. albisoror

·         I. anomioides

·         I. attenuate

·         I. bathonicus

·         I. bicolor

·         I. biplicatum

·         I. bouchardi

·         I. californicum

·         I. chemnitzianus

·         I. clarki

·         I. costellatus

·         I. ephippium

·         I. flambarti

·         I. flamberti

·         I. hataii

·         I.incisum

·         I.isognomoides

·         I. isognomonoides

·         I. isognomum

·         I. isogonum

·         I. janus

·         I. janus orientalis

·         I. oxoniensis

·         I. perna

·         I. pernum

·         I. promytiloidea

·         I. radiate

·         I. radiates

·         I. recognitus

·         I.rectangularis

·         I. ricordeanus

·         I. rollei

·         I. rugosus

·         I. rupella

·         I. semicurita

·         I. subplanum

·         I. sulcata

·         I. thurmanni