| Body Ø (mm) (s. X) |
0.17–0.30 |
0.30–0.40 (0.56 in Hrabe 1938) |
0.21–0.31 (0.26–0.33 in Hrabe 1938) |
0.19 |
0.17–0.26 (wholemounts) |
0.20–0.35 (whole-mounts and dissected) |
| Dorsal anterior chaetae (L, µm) |
c.50–84 dorsals=0.80– 1.0 ventrals |
77–112 dorsals = 0.80–0.96 ventrals |
60–96 dorsals = 0.8–1 ventrals |
64–77 |
40–68 |
41–103 (dorsals= 0.7– 0.9 ventrals) |
| Ventral anterior chaetae (L, µm) |
(55) 62–100 |
90–130 |
68–106 |
64–77 |
53–71 |
61–107 (grow from II–VIII) |
| Clitellum |
X–XII (anterior XIII) |
X–anterior XIII |
X–anterior XIII |
Indistinct |
– |
X–XII (XIII) |
| Pharyngeal glands |
V–VIII |
IV or V–VIII |
V–VIII |
IV–VI |
IV–VI |
IV (V)–VII or VIII |
| Double annulation |
From III or IV |
From III |
From III |
From III |
From III |
From III or IV (V) |
| Atrium, total L x ampulla Ø (µm) |
80–121 x 50–80 (petiolate, ampulla spherical-oval) |
79–127 x 43– 80) (petiolate, ampulla oval) |
110–164 x 53–91 (petiolate, ampulla spherical-oval) |
73 x 58 |
89–98 x 36–56 (not petiolate, ampulla oval) |
63–112 x 32–75 (not petiolate, ampulla oval) |
| Atrial duct L x Ø (µm) |
Short, cylindrical 30–40 x 17–30 |
Short, cylindrical 32–54 x 16–27 (10–17 at pore) |
Short, cylindrical, 31–51 x 20–27 (to 12–17 at pore) |
– |
c. 30–40 x 24 |
c. 23–42 x 16–26 |
| Penis |
Short, salient or indistinct |
Short, salient or indistinct |
Short, conical (salient in 2 individuals) |
No penial chamber |
Short, extruded through the pore in one specimen. |
Short, may be extruded. |
| Male pore on a porophore (L, µm) |
Yes, roundconical (15–20 high) |
Yes |
Yes, roundconical (32 µ high) |
Yes, minute, conical |
Yes, conical c. 25 µm high |
Yes, c. 25 µm high |
| Atrial musculature (µm) |
2–8, to 10 at the vasa junction |
2–5, to 7 at the vasa junction |
c. 2–3 |
c. 2 |
2–3 |
c.2–3 |
| Total atrium length to body Ø ratio |
0.3–0.5 |
0.3–0.4 |
c. 0.5 |
– |
0.3–0.5 |
0.2–0.4 |
| Prostatic cells (height, µm) |
To 47–80, in clusters |
To 43–77, in usually welldefined clusters |
To 80–94 |
Long, apical |
To 47–61 |
To (34) 54–104 diffuse or in few large clusters |
| Vasa deferentia junction |
At the base of the ampulla |
At the base of the ampulla |
Subapical or median |
– |
Subapical |
Median to subapical |
| Vasa def. Ø (µm) |
8–13 Penetrate in XI |
10–24 Penetrate in XI |
14–24 (to 8, close to atrium). Penetrate in XI |
Penetrate in XI |
9–16 Penetrate in XI |
6–14 Penetrate in XI |
| Spermathecal ampullae (L x W, µm) |
c.50–120 x 50–70 In same sg. as the pore or passing into next sg. |
115–144 x 70–108 In same sg. as the pore or passing into next sg. |
100–247 x 60–130 In same sg. as the pore or passing into next sg |
Ampullae extend into the next sg |
175–232 x 58– 74 In the same sg, or passing into next sg. |
88–255 x 30–120 In the same sg. or passing into next sg. |
| Spermathecal ducts (L x W, µm) |
40–70 x 10–15 (21–30 Ø at ectal vestibule) |
70–74 x 10–20 (20–33 Ø at ectal vestibule) |
105–160 x 15–30 (25–35 Ø at ectal vestibule) |
Short, distinctly separated duct |
34–48 x 9–11 (21 Ø ectally) |
28–72 x 9–12 (21–27 Ø ectally) |
| Sites |
Caves and resurgence, Sta. Eufemia-Ereñozar karst (Bizkaia, Spain) |
Cave Býčí Skála specimens, Moravian Karst (Czech Republic, Hr 1026, 1028). |
All measurements in Říčka River, Moravian Karst (Czech Republic) |
Moravian Karst and Bohemia in Czech Republic |
Type collection, National Museum of Prague (Hr 1517-9 #4. Hr 1517-7 #1) |
Cave rivers, resurgences and wells (Spain) |