甘肃和政晚中新世许氏鼠(啮齿类:鼠科)头骨化石
王伴月, 邱占祥, 李绿洲

A Late Miocene Huerzelerimys (Rodentia: Muridae) skull from Hezheng, Gansu, China
WANG Ban-Yue, QIU Zhan-Xiang, LI Lü-Zhou
Table 1 Measuremens of skull and mandible of Huerzelerimys asiaticus sp. nov. (IVPP V 16288, holotype) (mm)
Parameter Left Right Parameter Left Right
1. Condylonasal length (CNL) 27+ (15/3) (%) 89
2. Condylobasal length (CBL) 26.6+ 16. Nasal length (NL) 9.5+
3. Length of anterior part of skull (LAS) 9 (16/2) (%) 36
4. Length of posterior part of skull (LPS) 17.5 17. Anterior width of nasals (AWN) 1.8 1.8
(3/4) (%) 51 18. Posterior width of nasals (PWN) 0.7 0.7
5. Palatal length (PL) 14.5 19. Interorbital width (IOW) 4.2
6. Length of maxillary diastema (LMXD) 7.3 20. Zygomatic width (ZW) 15+
7. Length of palatal bridge (LPB) 5 (20/2) (%) 56
8. Anterior width of palatal bridge (AWPB) 3 21. Width of cranial part at mastoid processes (WCM) 13 (6.5 × 2)
9. Posterior width of palatal bridge (PWPB) 3.2 (21/2) (%) 49
(9/7) (%) 64 22. Length of auditory bulla (LAB) 5.4 5.4
10. Length of incisive foramen (LIF) 6 6 (22/2) (%) 20.3 20.3
11. Rostrum length (RL) 6 23. Width of auditory bulla (WA) 4 4
(11/2) (%) 22.5 24. Distance between two auditory bullae (DAB) 2.7
(10/11) (%) 100 25. Nuchal height (NH) 8e
12. Anterior width of rostrum (AWR) 4.5 26. Mandibular length (MDL) 15.8 14.7+
13. Posterior width of rostrum (PWR) 5.9 27. Height of condyloid process of mandible (HCPM) 8.4
(13/11) (%) 98 28. Length of mandibular diastema (LMD) 4 4
14. Rostrum height (RH) 5 29. Height of mandibular diastema (HMD) 2 2
15. Height of middle part of skull (HMS) 8 30. Height of horizontal ramus of mandible (HHR) 4.2 4.3