Table 1. Measurements of the cheek teeth of Plesiaceratherium tongxinense sp. nov. and comparison with other Plesiaceratherium species.

(mm) (Measurements of P. gracile, P. fahlbuschi, P. platyodon, and P. mirallesi are from Yan & Heissig (1986); P. lumiarense is from Antunes & Ginsburg (1983) and Ginsburg & Bulot (1984)).

Teeth		P. tongxinense sp. nov.	P. gracile	P. fahlbuschi	P. platyodon	P. mirallesi	P. lumiarense	P. aquitanicum	P. balkanicum
DP1	L	–	–	–	20	23	23	–	21
	W	–	–	–	18	20	19	–	20
P2	L	28	31	24	30	29	29	29	29
	W	36	36	33	35	36	35	36	37
P3	L	34	34	29	28	35	35	34	34
	W	45	42	39	43	45	44	46	43
P4	L	39	37	32	34	38	38	36	35
	W	51	43	43	45	49	49	51	47
M1	L	46	46	32	35	42	45	–	34
	W	53	48	44	43	47	49	–	41
M2	L	54	48	36	38	46	45	47	38
	W	56	50	47	46	51	50	53	45
M3	L	44	43	41	37	42	38	42	33–36
	W	52	45	42	42	45	49	49	37–40
p2	L	23	28	26	27	32	–	–	–
	W	16	19	16	17	14	–	–	–
p3	L	29	31	30	33	35	–	–	–
	W	23	20	19	23	21	–	–	–
p4	L	37	35	32	33	39	–	–	–
	W	27	26	22	24	25	–	–	–
m1	L	38	38	32	35	43	–	–	–
	W	28	28	22	24	23	–	–	–
m2	L	44	40	37	38	46	42	–	36
	W	29	26	22	24	24	29	–	24
m3	L	44	43	–	40	47	43	–	39
	W	27	27	–	23	25	27	–	24