Fig. 11

Four-articled cheliphores in Pycnogonida. Arrows mark the articulation line between the two scape articles. a Adult male of Pallenopsis vanhoeffeni. Dorso-lateral view of anterior body region. b Sub-adult specimen of Colossendeis angusta. Dorso-lateral view of anterior body region. Abbreviations: ch – cheliphore; ot – ocular tubercle; ov – oviger; pa – palp; pr – proboscis; wl – walking leg