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. 2019 Nov 6;19:206. doi: 10.1186/s12862-019-1527-8

Fig. 1.

Fig. 1

Habitus of Actinarctus cf. doryphorus. a Scanning electron microscope image showing the ventral side. b Light microscope image showing the dorsal side. Abbreviations: 1–7, approximate position of ventromedian attachment sites; a-f, approximate position of intermediate ventral attachment sites; ala, wing-like extension of the cuticle; ec, external cirri; ic, internal cirri; lc, lateral cirri; pc, primary clavae; pil, pillar; p4, sensory organ of the fourth leg; sc, secondary clavae. Double arrow indicates the anterior (A) -posterior (P) direction