Clitellata

Figure 3. Orobdella koikei sp. n., holotype, KUZ Z156 A Dorsal view of somites I–VIII B ventral view of somites I–VIII C dorsal view of somites XXV–XXVII and caudal sucker D ventral view of somites XXV–XXVII and caudal sucker E ventral view of somites XI–XIII F ventral view of gastroporal duct; and G ventral view of gastropore and female gonopore. Scale bars, 0.5 mm (A–F) and 0.25 mm (G). Abbreviations: af, annular furrow; an, anus; cp, crop; fp, female gonopore; gd, gastroporal duct; gp, gastropore; mp, male gonopore; np, nephridiopore; and ph, pharynx.

Figure 6.External and internal morphology of the lectotype (ZMH V5097) of Glyphidrilus weberi Horst, 1889, showing the A external ventral and B internal dorsal views.

Figure 7.Bayesian inference tree based on COI sequences of Eiseniona gerardoi and other lumbricids represented in GeneBank. Eiseniona gerardoi (see UCMLT codes in Table 1) clusters with Eiseniona albolineata.

Figure 4.External and internal morphology of holotype (CUMZ 3208) of Amynthas borealis sp. n. A External ventral view, B internal dorsal view and C spermatheca, and black arrow indicates the connection of the spermatheca and spermathecal pore.

Hampen Sø, Midtjylland, Danmark

Ørn Sø, Silkeborg, Danmark

Gudenå opstrøms Klostermølle

Amossen, Öland, Sverige

Gadevangsrenden

Aqua Silkeborg

Hampen Sø

Kastbjerg Å

Figure 4. Orobdella koikei sp. n., holotype, KUZ Z156 A Dorsal view of reproductive system including ventral nervous system B dorsal view of male atrium C lateral view of male atrium D ventral view of male atrium; and E dorsal view of female reproductive system including position of ganglion XIII. Scale bars, 1mm (A) and 0.25 mm (B–E). Abbreviations: ac, atrial cornu; at, atrium; cod, common oviduct; ed, ejaculatory duct; ep, epididymis; gp, gastropore; o, ovisac; od, oviduct; and ts, testisac.

Figure 16.Morphology of the paratype (ZMH V4512) of stuhlmanni Glyphidrilus morogoronensis Zicsi, 1996, showing the A external ventral and B internal dorsal views.

Figure 1.Map of type locality of 1 Amynthas srinan sp. n. from Srinan National Park, Nan province, 2 Amynthas phatubensis sp. n. from Tham Pha Tub Arboretum, Nan province, 3 Amynthas tontong sp. n. from Tontong Waterfall, Pua district, Nan province and 4 Amynthas borealis sp. n. from a small hill near Chaloemprakiat district, Nan province.

Hampen Sø, Midtjylland, Danmark

Gudenå opstrøms Klostermølle

Amossen, Öland, Sverige

Gadevangsrenden

Aqua Silkeborg

Hampen Sø

Kastbjerg Å

Figure 5. Orobdella koikei sp. n., paratype, KUZ Z186, taken of live animal, dorsal view.

Figure 17.Morphology of the holotype (ZRC 1974.12.2.51) of Glyphidrilus gatesi Shen and Yeo, 2005 A external ventral and B internal dorsal views.