New species of Polycystididae (Platyhelminthes: Kalyptorhynchia) from Cuba and the Pacific coast of Panama Author Diez, Yander L. FA982DE6-110C-456F-8A15-CD2185C76990 Museum for Nature Hamburg - Zoology, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Martin-Luther-King-Platz 3, D- 20146 Hamburg, Germany & Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Universitaire Campus Gebouw D, B- 3590 Diepenbeek, Belgium yanderluis87@gmail.com Author Sanjuan, Claudia 2B3E2C56-86A7-4842-ACCB-691B7DC47853 Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Universitaire Campus Gebouw D, B- 3590 Diepenbeek, Belgium & Universidad de Oriente, Biology and Geography Department, Ave. Patricio Lumumba s / n, CP 90500, Santiago de Cuba, Cuba. csanjuan@uo.edu.cu Author Monnens, Marlies 782F71E0-EF84-48DA-BE72-8E205CB78EAC Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Universitaire Campus Gebouw D, B- 3590 Diepenbeek, Belgium. marlies.monnens@uhasselt.be Author Artois, Tom 01D1695B-9D16-4B14-9A78-313DFC83FC1F Hasselt University, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Universitaire Campus Gebouw D, B- 3590 Diepenbeek, Belgium. tom.artois@uhasselt.be text European Journal of Taxonomy 2023 2023-01-19 856 67 86 http://dx.doi.org/10.5852/ejt.2023.856.2029 journal article 228906 10.5852/ejt.2023.856.2029 bf31c303-b445-481a-acdd-ceb5cd4a96ba 2118-9773 7554565 4D2516BA-19CF-46C6-8D96-F17DD505B4FF

Table 1. Comparison of the lengths and proportions between the stylets of species of Brachyrhynchoides Artois & Schockaert, 2013. Abbreviations: L = length; ps-IV = prostatic stylet type IV; as-I = accessory stylet I; as-II = accessory stylet II; α = as-I / ps-IV; β = as-II / ps-IV; γ = as-II / as-I.

Species	L ps-IV (µm)	L as-I (µm)	L as-II (µm)	α (%)	β (%)	γ (%)
B. triplostylis Artois & Schockaert, 2013	139–192	75–130	63–79	54–68	41–45	61–64
B. acutus Artois & Schockaert, 2013	107–111	103–111	81–86	96–100	76–77	77–79
B. oosterlyncki Willems, Reygel & Artois, 2013 B. ortizi sp. nov.	71–77 68–71	42–48 70	40–42 59	59–62 98–103	54–56 83–87	88–95 84