Fig. 1

External view of Colossendeis specimens: a drawing of the general ventral view of a specimen to locate insertion of the different appendages. b detail from a, showing basal parts of palps and ovigers. c ventral view of Colossendeis megalonyx showing basal parts of palps and ovigers and arthrodial membranes (black arrows). d SEM photograph of Colossendeis megalonyx, ventro-lateral view of basal part of right palp and oviger (white arrows indicate limit between cephalic area and basal process of palp, discontinuous arrows indicate limit between cephalic area and basal process of oviger). e ventral view of C. tortipalpis showing basal parts of palps and ovigers and arthrodial membranes (black arrows). f ventral view of C. australis showing basal parts of palps and ovigers and arthrodial membranes (black arrows). lp lateral process, o1–o4 first to fourth oviger article, obp oviger’s basal process, p palp, p1 first palp article, p2 second palp article, pbp palp’s basal process, pr proboscis, tr trunk