Figure 2
From: Integration, heterochrony, and adaptation in pedal digits of syndactylous marsupials
Syndactylous feet. Explanation of terminology and images of the right pedal skeleton of four syndactylous marsupials, showing tarsal bones and separated digits of a koala (a), a lowland ringtail possum Pseudochirulus canescens (b), a brush-tailed rock wallaby (c), and a long-nosed bandicoot Perameles nasuta (d). Note that a-c are diprotodontian marsupials, while d is a peramelemorph. Int. phal, intermediate phalanx; Metat., metatarsal; Prox. Phal, proximal phalanx. Roman numerals refer do digit numbers. Scale bar = 1 cm.