Osteology Of The Middle Eocene Ceratomorph Hyrachyus Modestus (Mammalia, Perissodactyla) Author Bai, Bin Author Meng, Jin Author Wang, Yuan-Qing Author Wang, Hai-Bing Author Holbrook, Luke text Bulletin of the American Museum of Natural History 2017 2017-06-09 2017 413 1 68 http://www.bioone.org/doi/10.1206/0003-0090-413.1.1 journal article 10.1206/0003-0090-413.1.1 0003-0090 4612938

TABLE 3 Measurements of C3, and C5–C7 of Hyrachyus modestus (AMNH FM 12664) (mm) Postzy. = postzygapophysis; Prezy. = prezygapophysis.

	C3	C5	C6	C7
a Approximate measurements.
1. Body, Length	29.4	26.9	24.2	21.7
2. Head, Width	16.4	15.3	14.7	17.4
3. Head, Height	18.0	18.0	18.3	17.8
4. Prezy., Width	31.7	37.1	35.6	35.2
5. Postzy., Width	35.2	34.7	33.6a	32.3
6. Maximum Length, pre- and postzy.	40.1	39.0	35.3	36.3
7. Vertebral foramen, Height×Width	13.6×18.7	11.6×17.8	14.2×14.0	13.6×13.6
Ratio (%)
4:6	78.9	95.0	100.7	97.2
5:6	87.6	88.9	95.1	89.1
3:2	110.1	117.7	124.7	102.2
7:8	72.9	65.4	101.7	100.1