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Abrasion of Kem Kem fossils (FSAC-KK collection). A All localities B Gara Sbaa. X-axis is the abrasion index (0-4; see Table 3); Y-axis is the number of specimens. Specimen counts in A: 0 707 1 1207 2 647 3 439 4 195. Specimen counts in B: 0 158 1 433 2 396 3 330 4 138.
