Fig. 5 in Skeleton in the closet: hidden diversity in patterns of cranial and postcranial ontogeny in Neotropical direct-developing frogs (Anura: Brachycephaloidea)

Fig. 5 Schematic representation of auto- and zeugopodium development in Oreobates barituensis. a Forelimb. b Hind limb. The adult configuration is shown at the left, and drawings at the right show the sequential ossification (black segments) of elements. Abbreviations: fi, fibulare; mc, metacarpalia; mt, metatarsalia; p, phalanges; ph, prehallux; pp, prepollex; r, radius; ra, radiale; ti, tibiale; u, ulna; ul, ulnare; Y, element Y; 1–5, distal carpalia and tarsalia; I–V, fingers and toes