Wandering nostrils.
Janvier
Philippe
P
D000818:Animals; D005075:Biological Evolution; D002681:China; D005399:Fishes / Q000033:anatomy & histology* / Q000502:physiology; D005580:Fossils; D049690:History, Ancient; D008954:Models, Biological; D009666:Nose / Q000033:anatomy & histology* / Q000502:physiology; D012119:Respiration; D013997:Time Factors