Table 1. Morphological characteristics of the Chinese population of Rubrioxytricha guamensis. Data based on protargol-stained specimens. Measurements in µm.

Character	Min	Max	Mean	M	SD	CV	n
Abbreviations:CV,coefficient of variation in %; DK, dorsal kinety; Max,maximum; Mean, arithmetic mean; Min, minimum; n, number of cells measured; SD, standard deviation.
Body length	61	186	109.0	105	30.75	28.2	48
Body width	20	63	32.4	31	9.94	30.7	48
Adoral zone of membranelles, length	20	58	36.3	35	7.60	21.0	48
Adoral membranelles, number	23	35	28.7	29	2.8	9.9	48
Buccal cirrus, number	1	1	1	1	0	0	48
Frontal cirri, number	3	3	3	3	0	0	48
Frontoventral cirri, number	4	4	4	4	0	0	48
Postoral ventral cirri, number	3	3	3	3	0	0	48
Pretransverse ventral cirri, number	2	2	2	2	0	0	48
Transverse cirri, number	5	5	5	5	0	0	48
Caudal cirrus, number	1	1	1	1	0	0	48
Left marginal cirri, number	16	35	27.0	28	3.87	14.4	48
Right marginal cirri, number	17	34	25	25	4.17	16.7	48
Dorsal kineties, number	4	4	4	4	0	0	48
Dikinetids in DK1, number	8	20	13.6	14	2.65	19.5	48
Dikinetids in DK2, number	8	24	14.0	15	3.20	22.9	48
Dikinetids in DK3, number	8	21	12.9	13	2.98	23.1	48
Dikinetids in DK4, number	7	20	12.8	13	3.22	25.2	48
Macronuclear nodules, number	2	2	2	2	0	0	48
Macronuclear nodule, length	9	29	16.1	15	4.98	31.0	48
Macronuclear nodule, width	4	9	6.4	6	1.44	22.7	48