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The extraordinary osteology and functional morphology of the limbs in Palorchestidae, a family of strange extinct marsupial giants

Fig 26

Labelled illustration of articulated Palorchestes parvus left manus AM F58870.

(A) articulated manus in dorsal view; (B) digit 4 in lateral view. Hatching indicates surface damage to cortical bone, dashed lines indicate inferred bone contours. Abbreviations: dij, distal interphalangeal joint; Ip1-4, intermediate phalanges 1–4; Mc2-5, metacarpals 2–5; mk, median keel; mpj, metacarpophalangeal joint; pij, proximal interphalangeal joint; Pp1-4, proximal phalanges 1–4; Tra, trapezium; Up1-4, ungual phalanges 1–4. Scale bar 50 mm.

Fig 26

doi: https://doi.org/10.1371/journal.pone.0221824.g026