ClipArt ETC
"Larva of Protopterus. e.g., external gills; Pc., pectoral fin; Pv., pelvic fin." -Thomson, 1916

African Lungfish Larva

"Larva of Protopterus. e.g., external gills; Pc., pectoral fin; Pv., pelvic fin." -Thomson, 1916

"Larva of Polypterus. e.g., Large external gill of the hyoid arch; Pc., pectoral fins; Pv., pelvic fins. The larva is drawn in a very characteristic attitude." -Thomson, 1916

Polypterus

"Larva of Polypterus. e.g., Large external gill of the hyoid arch; Pc., pectoral fins; Pv., pelvic fins.…