| 单词 | mastoidal |
| 例句 | They are markedly smaller in every measurement taken, except zygomatic and mastoidal breadths, and extension of premaxillae posterior to nasals. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z There is no overlap in length of body, basilar length, zygomatic breadth, mastoidal breadth or length of nasals. A New Pocket Gopher (Genus Thomomys), from Eastern Colorado 2011-01-06T03:00:54.030Z The latter specimen is an adult male, with much inflated mastoidal bullae, nearly straight dorsal profile on the skull, relatively shallow braincase, and only slightly worn teeth. Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores In lack of inflation laterally of the mastoidal bullae the specimens agree with artus. Conspecificity of two pocket mice, Perognathus goldmani and P. artus Skull: Braincase less inflated; nasals truncated posteriorly as opposed to rounded; zygomatic and mastoidal breadths less; rostrum shorter but narrower; upper incisors narrower and shorter. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z Tympanic bullae larger and markedly more inflated; nasals longer; zygomatic and mastoidal breadths greater; rostrum longer and more depressed; upper incisors longer and wider; molariform teeth smaller. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z Skull: Smaller, more convex; rostrum shorter, wider and more depressed; zygomatic arches shorter and heavier; mastoidal breadth actually, as well as relatively wider; tympanic bullae more inflated ventrally; upper incisors shorter and wider. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z In addition to the extensiveness of the white markings, the other two characters allegedly distinctive of S. leucoparia are broad and much flattened braincase and great degree of inflation of the mastoidal bullae. Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores The degree of inflation of the mastoidal bullae elsewhere varies geographically. Conspecificity of two pocket mice, Perognathus goldmani and P. artus For example, in Arizona some specimens are extensively white and some others have the braincase flattened and the mastoidal bullae much inflated. Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores Skull: Long and slender; rostrum long and narrow; zygomatic and mastoidal breadths slight; palatal pits deep; upper incisors narrow; basioccipital wide. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z |
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