Table 2. Measurements of the skull of Plesiaceratherium tongxinense sp. nov. (IVPP V 23959).

(mm) (Measurements of P. gracile, P. fahlbuschi, P. platyodon, and P. mirallesi are from Yan & Heissig (1986)).

numbers	measures	P. tongxinense sp. nov.	P. gracile	P. fahlbuschi	P. platyodon
1	Distance between occipital condyle and premaxilla	584	–	–	–
2	Distance between occipital condyle and nasal tip	598	590–598	516	550
3	Distance between nasal tip and occipital crest	582	–	–	–
4	Distance between nasal tip and bottom of nasal notch	186	184–191	185	215
5	Minimal width of braincase	56	–	–	–
6	Distance between occipital crest and postorbital process	297	–	–	–
7	Distance between occipital crest and supraorbital process	329	–	–	–
8	Distance between occipital crest and lacrimal tubercle	376	–	–	–
9	Distance between nasal notch and orbit	67	66–67	43–35	58
13	Distance between occipital condyle and M3	268
14	Distance between nasal tip and orbit	243	–	–	–
15	Width of occipital crest	68	–	–	–
16	Width of paramastoid process	134	–	–	–
17	Minimal width between parietal crests	35	–	–	–
18	Width between postorbital processes	124	–	–	–
19	Width between supraorbital processes	139	182–186	175	178
20	Width between lacrimal tubercles	126	–	–	–
21	Maximal width between zygomatic arches	134	258–265	270	205
22	Width of nasal base	87	85–87	90–100	100
23	Height of occipital surface	149	–	–	–
25	Cranial height in front of P2	145	–	–	–
26	Cranial height in front of M1	176	–	–	–
27	Cranial height in front of M3	189	–	–	–
28	Width of palate in front of P2	40	–	–	–
29	Width of palate in front of M1	35	–	–	–
30	Width of palate in front of M3	41	–	–	–
31	Width of foramen magnum	38	–	–	–
32	Width between exterior edges of occipital condyle	97	–	–	–