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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Comparative myoanatomy of Tardigrada: new insights from the heterotardigrades Actinarctus doryphorus (Tanarctidae) and Echiniscoides sigismundi (Echiniscoididae)

Fig. 3

Habitus of Echiniscoides sigismundi. a-c Scanning electron microscope images. a Ventral side. b Dorsal side. c Lateral side. Abbreviations: 1–7, ventromedian attachment sites; a’-g, intermediate ventral attachment sites; B-W, dorsal attachment sites; T1-T3, τ0- τ3, lateral attachment sites; an, anus; go, gonopore; cE, cirrus E; ec, external cirrus; lc, lateral cirrus; ic, internal cirrus; pc, primary clavae; sc, secondary clavae; p3 + p4, sensory structures of legs. Double arrow indicates the anterior (A)-posterior (P) direction. The position given for all attachment sites are approximate

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