FIG. 9 in Reassessment Of A Historical Collection Of Sauropod Dinosaurs From The Northern Morrison Formation Of Wyoming, With Implications For Sauropod Biogeography

FIG. 9. Right humeri of Diplodocidae indet. CM 28849 in A, anterior and B, medial views. CM 36026 in C, anterior and D, medial views. Note the rugose ridges parallel to the deltopectoral crests (arrows). Both specimens were initially included in CM 1256 and later recataloged. The numbers 72 (A) and 221 (C) are field numbers. Scale bar applies to both specimens. Abbreviations: dpc, deltopectoral crest; lr, lateral ridge; mr, medial ridge; tub, tubercle. Photos by E.T. (A, C) and Andrew McAfee (B, D).