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Diurella percellus Gosse, Left side of extended specimen.
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Diurella tenuior Gosse. Larger specimen, dorsal or dorso-dextral view.
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Taphrocampa annulosa Gosse, as seen from above; body curved so that the food is not visible.
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Rattulus capucinus Werz. & Zach. Ventral view. The toe extends obliquely toward the observer, so that its full length is not seen.
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Pleurotrocha parasitica n. sp. Ventral view.
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 2.A, B Collotheca ferox (A dorsal view B ventral view) C–F Collotheca orchidacea sp. n. (C, E frontal D, F dorsal). Scale bars: A–F = 100 µm (A, B by Rapeepan Jaturapruek).
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Diurella rousseleti Voigt. Side view of retracted specimen.
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Taphrocampa annulosa Gosse. Side view.
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Rattulus capucinus Wierz. & Zach. Right side.
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Pleurotrocha parasitica n. sp. Side view.
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 4.A Collotheca heptabrachiata, lateral B Collotheca ornata, ventral C Stephanoceros fimbriatus, lateral D Collotheca stephanochaeta, lateral E Collotheca ambigua, ventral F Collotheca algicola, ventral G, H Collotheca ornata f. cornuta (G dorsal H lateral) I Collotheca campanulata f. longicaudata, attachment stalk J Collotheca ferox, ventral corona margin. Scale bars: A, B, D–H, J = 50 µm, C, I = 100 µm.
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Diurella rousseleti Voigt. Side view of retracted specimen.
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Elosa worrallii Lord, dorsal view, after Lord.
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Rattulus carinatus Lamarck. Dorsal view.
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 2.A, B Collotheca ferox (A dorsal view B ventral view) C–F Collotheca orchidacea sp. n. (C, E frontal D, F dorsal). Scale bars: A–F = 100 µm (A, B by Rapeepan Jaturapruek).
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Rattulus cylindricus Imhof. From Lake Bologoe, Russia, left side of retracted specimen, bearing egg.
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 5.The uncinate trophi of Collothecidae species. A Collotheca ferox B Collotheca campanulata C Collotheca trilobata D Collotheca tenuilobata E Collotheca orchidacea sp. n. F Stephanoceros millsii. Scale bars: A, B, D, E = 5 µm, C, F = 10 µm.
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Rattulus cylindricus Imhof. Left side of extended specimen (from Germany).
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 3.Collotheca and Stephanoceros species. A Collotheca stephanochaeta, lateral B Collotheca campanulata f. longicaudata, ventral C Collotheca ornata, dorsal D Collotheca spec., lateral E Collotheca trilobata, lateral F Collotheca tenuilobata, ventral G Stephanoceros millsii, lateral H Stephanoceros fimbriatus, lateral. Scale bars: B–D = 50 µm, A, E, F = 100 µm, G, H = 250 µm.
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Rattulus cylindricus Imhof. Left side of specimen from East Harbor, Lake Erie.
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Phuripong Meksuwan, Pornsilp Pholpunthin, Hendrik Segers
Zookeys
Figure 1.Sampling sites in Thailand. S, C, N and NE represent sampling sites in the Southern, Central, North and Northeast part of Thailand, respectively. Map from GIS center, PSU.
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Rattulus elongatus Gosse. Left side.
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Rattulus gracilis Tessin. Ventral view, trophi extended.
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Rattulus latus Jennings. Ventral view of extended specimen.