. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. B. Figure 4. Crown view of right P4-M, of Elphidotar- sius, to same scale. A) E. florencae, holotype, USNM 9411, from Gidley Quarry. B) £., cf. E. florencae, PU 14792, from Rock Bench Quarry. C) E. shotgunensis, holotype, AMNH 88311. cene (Torrejonian) Rock Bench Quarry, Polecat Bench Formation of Park County, Wyoming. The more than twenty speci- mens are closely comparable to the holo- type of E. florencae. There are no significant morphologic differences, but the individuals in the Rock Bench sample are, in general,
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. B. Figure 4. Crown view of right P4-M, of Elphidotar- sius, to same scale. A) E. florencae, holotype, USNM 9411, from Gidley Quarry. B) £., cf. E. florencae, PU 14792, from Rock Bench Quarry. C) E. shotgunensis, holotype, AMNH 88311. cene (Torrejonian) Rock Bench Quarry, Polecat Bench Formation of Park County, Wyoming. The more than twenty speci- mens are closely comparable to the holo- type of E. florencae. There are no significant morphologic differences, but the individuals in the Rock Bench sample are, in general, slightly larger than the holotype. A Student's t-test comparing the dimensions of the type with those of the Rock Bench specimens yielded inconclusive results, neither favoring erection of a new species nor declaring the two samples positively conspecific. Description: The Rock Bench Quarry sample includes many specimens that pro-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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