FIGURE 4. A in Proboscis ornamentation as a diagnostic character for the Anoplodactylus californicus-digitatus complex (Arthropoda: Pycnogonida) with an example from the Anoplodactylus eroticus female

FIGURE 4. A. Frontal view of A. eroticus female head bearing protuberances on the proboscis (arrow). Epizoans on the cuticle are indicated with an asterisk (ch=chelifore, ot=ocular tubercle, pr= proboscis). Scale bar = 500 m. B. Lateral view of A. eroticus female head showing the anteriorly directed protuberances on the proboscis. C. Detail of the protuberances on A. eroticus magnified from A. Scale bars = 100 m. D. Ventral view of the smooth proboscis of an immature female of A. eroticus. Scale bar = 250 m. E. Anterolateral view of immature male A. eroticus, arrow pointing to ovigers partially formed. Scale bar = 500 m.