Supplementary Table S2. Measurements of Paralecithodendrium longiforme and Paralecithodendrium cryptolechitum from the original description and redescriptions. 
	Zdzietowiecki (1969)	Sharpilo and Iskova (1989)	Kirillova et al. (2007)	Arttra et al. (2024)	Zdzietowiecki (1969)	Kirillov et al. (2012а) 
as P. longiforme	
	Paralecithodendrium longiforme	Paralecithodendrium cryptolechitum	
Host	Myotis daubentonii, M. mystacinus, M. nattereri, Eptesicus nilssoni	Eptesicus serotinus	Plecotus auritus	Hypsugo sp.	Myotis dasycneme	Myotis dasycneme 	
Locality	Poland	Ukraine	Russia	Thailand	Poland	Russia	
Body length	0.658–2.280	1.50–2.00	1.50–1.70	0.84–0.98	1.376–1.690	0.938–1.462	
Body width	0.320–0.869	0.53–0.85	0.59–0.62	0.37–0.49	0.670–0.830	0.492–0.909	
Oral sucker	0.195–0.414×0.140–0.263	0.25×0.18–0.24	0.27–0.29×0.19–0.21	0.17–0.19×0.14–0.15	0.266–0.293×0.203–0.238	0.163–0.259×0.185–0.281	
Ventral sucker	0.136–0.308×0.136–0.304	0.19×0.221	0.20–0.221	0.08–0.091	0.175–0.215×0.173–0.213	0.126–0.200×0.127–0.198	
Pharynx	0.044–0.102×0.052–0.115	0.077×0.0851	0.073–0.0771	0.040–0.0501	0.066–0.084×0.088–0.098	0.055–0.076×0.067–0.081	
Right testis	0.122–0.364×0.096–0.275	0.17–0.24×0.17–0.23	0.15–0.191	0.06–0.081	0.170–0.209×0.135–0.169	0.159–0.197×0.165–0.222	
Left testis	0.125–0.355×0.091–0.262				0.167–0.221×0.144–0.172		
Pseudocirrus sac	0.090–0.277×0.088–0.274	0.14–0.18×0.15–0.19	0.15–0.17×0.16–0.18	0.04–0.051	0.125–0.147×0.125–0.140	0.130–0.164×0.157–0.202	
Ovary	0.095–0.266×0.067–0.212	–	0.14–0.15×0.13–0.14	0.05–0.06×0.04	0.119–0.166×0.119–0.148	0.110–0.162×0.126–0.179	
Eggs	0.031–0.038×0.014–0.17	0.030–0.033×0.015–0.17	0.027–0.031×0.013–0.015	–	0.032–0.040×0.015–0.019	0.027–0.032×0.014–0.018	
Note: 1 – diameter.