The extraordinary osteology and functional morphology of the limbs in Palorchestidae, a family of strange extinct marsupial giants
Fig 20
Labelled illustrations of the Palorchestes parvus left humerus AM F58870.
(A) anterior; (B) lateral; (C) posterior; (D) lateral views. Hatching indicates surface damage to cortical bone, dashed lines indicate inferred bone contours. Abbreviations: bg, bicipital groove; brf, fossa for m. brachialis origin; ca, capitulum; del, deltoid insertion; eta, origin for m. epitrochleoanconeus; gt, greater tubercle; hh, humeral head; inf, fossa for insertion of m. infraspinatus; ldtm, insertion for mm. latissimus dorsi and teres major; le, lateral epicondyle; lsc, lateral supracondylar crest; lt, lesser tubercle; me, medial epicondyle; of, olecranon fossa; pec, pectoral crest; subf, fossa for insertion of m. subscapularis; supf, fossa for insertion of m. supraspinatus; sf, supracondylar foramen; tr, trochlea; tri, origin for humeral heads of m. triceps brachii. Scale bar 50 mm.