Deinotherium thraceiensis sp. nov. from the Miocene near Ezerovo ...

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Table 2 Upper cheek-teeth D. giganteum Kaup D. thraceensis D. gigantissimum Measurements in mm sp.n. Ezerovo, Bulgaria Stefanescu, 1909, Romania racemjor Bakalov, Nikolov, raceminor, Bakalov, 1962, Bulgaria Nikolov, 1962, Bulgaria sin dext sin dext sin dext sin dext sin dext Length of the tooth 100.0 100.0 - - 102.0 - - - - 36.0 Width of the tooth 105.0 106.5 - - 100.0 - - - - 30.0 P 3 Width of first ridge 90.5 91.8 - - 97.0 - - - - 17.0 Width of second ridge 106.5 106.0 - - 106.0 - - - - 36.0 Enamel thickness 4.0 4.2 - - - - - - - - Length of the tooth 75.0 81.5 87.0 - 80.0 - - - - 51.0 Width of the tooth 100.8 98.5 - - - - - - - 50.0 P 4 Width of first ridge 96.3 87.0 96.0 - 68.0 - - - - 42.5 Width of second ridge 100.5 102.5 - - 62.0 - - - - 50.0 Enamel thickness 4.2 4.3 - - - - - - - - Length of the tooth 110.0 110.0 119.0 115.0 99.0 103.0 92.6 - - 74.0 Width of the first ridge at the base 94.6 100.0 100.0 93.0 82.0 73.0 75.0 - - 52.0 Width of the first ridge at the top 70.0 73.0 - - - - - - - 29.5 Width of the second ridge at the base 94.0 97.0 98.0 92.0 65.0 70.0 61.0 - - 57.0 M 1 Width of the second ridge at the top 69.0 71.0 - - - - - - - 33.0 Width of the third ridge at the base 83.5 84.5 86.0 83.0 - - 53.0 - - 48.5 Width of the third ridge at the top 63.5 62.0 - - - - - - - 31.0 Width of posterior talon - - - - - - - - - - Enamel thickness 4.3 4.3 - - - - - - - - Length of the tooth 107.7 106.5 116.0 114.0 103.0 92.0 86.0 91.0 70.0 71.0 Width of the first ridge at the base 113.6 115.0 129.0 111.0 103.0 98.0 96.0 101.0 62.0 70.5 Width of the first ridge at the top 88.8 87.5 - - - - - - 44.0 52.0 M 2 Width of the second ridge at the base 110.0 110.0 117.0 114.0 102.0 90.0 84.5 83.0 59.0 73.0 Width of the second ridge at the top 85.3 84.5 - - - - - - 38.0 51.5 Width of posterior talon - - - - - - - - - - Enamel thickness 4.7 4.6 - - - - - - - - Length of the tooth 110.0 108.0 115.0 107.0 96.6 105.0 89.0 96.0 - - Width of the first ridge at the base 118.0 115.0 114.0 114.0 103.0 107.0 95.0 105.6 - - Width of the first ridge at the top 100.0 98.0 - - - - - - - - M 3 Width of the second ridge at the base 107.2 107.0 107.0 104.0 98.0 101.0 89.0 89.0 - - Width of the second ridge at the top 87.0 89.0 - - - - - - - - Width of posterior talon 78.0 78.0 - - - - - - - - Enamel thickness 5.1 5.2 - - - - - - - - 15
Fig. 6. Deinotherium levius Jourdan Fig. 7. Deinotherium giganteum Kaup 3. The external nares (Figs. 5, 6, and 7 – exn) in D. thraceiensis sp. n. is large, deep and pear-shaped. It starts from the very beginning of the nasal bones, gradually widening and taking two thirds of the length of the whole skull. In the other species it is shorter and almost of the same width in its anterior and posterior parts. 4. The nasal bones in D. thraceiensis sp. n. are short, narrow, frontally rounded and fused. In the other species they are longer, wider, almost flat for most of their length, and separated. In the Gussiatin species they protrude above the external nares. This is not the case with the two other skulls (Figs. 5, 6, and 7). 5. The calvaria of the skull (fronto-parietal part, Figs. 5, 6, and 7 – Ic in D. thraceiensis sp. n.) is high and wide). In the other two species it is lower and shorter. 18 In the Gussiatin species it is even strongly concave in its anterior part. 6. The eye socket (Figs. 5, 6, and 7 – orb) in the Ezerovo skull is large and separated from the ear area. In D. giganteum Kaup they are almost fused, and in D. levius Jourdan from Gussiatin the situation is closer to our case. 7. The zygomatic arch (Figs. 5, 6, and 7 – zyg) of D. thraceiensis sp. n. with its developed proc. postorbitalis resembles the one of D. levius Jourdan, but in its posterior part, behind its connection with the temporal bone, it lacks the processus that Svistun notes. He regards this processus as related to the development of the lower tusks. No comparison with the zygomatic arch of the Eppelsheim skull is possible, because it is not preserved.
Page 1 and 2: GEOLOGICA BALCANICA, 35. 3—4. Sof
Page 3 and 4: Fig. 1. Distribution of genus Deino
Page 5 and 6: PLATE I PLATE II PLATE III PLATE IV
Page 7 and 8: PLATE VII PLATE VIII PLATE IX
Page 9 and 10: PLATE XIV PLATE XV PLATE XVI PLATE
Page 11 and 12: PLATE XXIII PLATE XXIV
Page 13 and 14: 10 Fig. 3. Position of the locality
Page 15 and 16: 12 Fig. 5. Deinotherium thraceiensi
Page 17: Ear area. (Fig. 5 A, C or. r and Pl
Page 21 and 22: 16 Table 2 A Upper cheek-teeth D. g
Page 23 and 24: Fig. 6. Deinotherium levius Jourdan
Page 25 and 26: 20 Table 3 Mandibles - mandibulae D
Page 27 and 28: 22 Table 4 A Lower cheek teeth D. g
Page 29 and 30: PLATE VII Deinotherium thraceiensis
Page 31 and 32: PLATE X PLATE XI PLATE XII PLATE XI
Page 33 and 34: PLATE XVIII PLATE XXI PLATE XX PLAT
Page 35 and 36: PLATE XVI Deinotherium thraceiensis
Page 37 and 38: Fig. 9. Comparison of deinothere ma
Page 39 and 40: it probably has its functional mean
Page 41 and 42: also with a short and narrow neck a
Page 43 and 44: Table 15 Carpals - carpus sin et de
Page 45 and 46: Table 17 Bones of the digits - fore
Page 47 and 48: Table 22 Tarsals - tarsus sin et de
Page 49 and 50: 6. Eye socket differentiated and la

Deinotherium thraceiensis sp. nov. from the Miocene near Ezerovo ...

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