Fig. 6 in Comparative spermatozoa ultrastructure of neotropical grass frogs (genus Leptodactylus) with comments on anuran reproductive modes and phylogeny

Fig. 6. Optimization of reproductive modes and ultrastructural characters (characters 1 to 5) of the spermatozoa on a pruned phylogenetic hypothesis for Leptodactylidae (see section "Optimization" in Materials and Methods). See list of characters and bibliographic sources in Tables 1 and 3 Colors correspond to: gray, ambiguity; blue, state 0; red, state 1; green, state 2; orange, state 3; black, state 4.