Diversity and phylogenetic relationships of European species of Crepidostomum Braun, 1900 (Trematoda: Allocreadiidae) based on rDNA, with special reference to Crepidostomum oschmarini Zhokhov & Pugacheva, 1998

Table 2 Measurements (in μm) of Crepidostomum oschmarini from Barbatula barbatula (n = 15) and Cottus gobio (n = 10)

Host species	Barbatula barbatula		Cottus gobio
Variable	Range	Mean	Range	Mean
Body length	1332–1800	1432	1476–1872	1652
Maximum body width	264–396	309	225–300	263
Body width/length	4.4–8.2	5.1	4.9–8	6.4
Forebody length	270–342	305	297–369	334
Hindbody length	909–1300	1150	1170–1458	1307
Hindbody/forebody length	3–4.3	3.8	3.6–4.5	4
Pre-oral lobe length	22–66	44	22–44	29
Oral sucker length	136–189	156	180–222	201
Oral sucker width	143–185	154	144–210	180
Muscular lobes length	40–46	43	46–68	57
Muscular lobes width	22–24	23	22–35	29
Pharynx length	55–90	71	68–101	83
Pharynx width	68–77	73	68–92	79
Oesophagus length	26–44	33	15–26	20
Ventral sucker length	163–222	184	165–234	197
Ventral sucker width	156–288	203	165–228	192
Ovary length	92–136	113	128–176	155
Ovary width	99–139	112	121–163	138
Seminal receptacle length	55–59	57	46–82	57
Seminal receptacle width	44–73	59	55–99	74
Vitelline reservoir length	59–92	72	55–82	70
Vitelline reservoir width	79–99	87	57–110	76
Anterior testis length	158–233	183	216–246	235
Anterior testis width	121–209	156	130–198	170
Posterior testis length	176–242	200	222–330	262
Posterior testis width	132–220	163	132–210	178
Seminal vesicle length	66–209	146	66–143	109
Seminal vesicle width	44–88	70	30–66	47
Cirrus-sac length	244–420	332	242–450	322
Cirrus-sac width	48–82	71	48–77	60
Egg length	48–68	58	33–70	60
Egg width	26–35	32	29–37	34
Ventral sucker/oral sucker width	1–1.6	1.3	0.9–1.4	1.1
Oral sucker/pharynx length	1.9–2.6	2.2	2.2–2.8	2.5
No. of eggs	4–26	11	4–14	9

ISSN: 1756-3305