. Bonner zoologische Monographien. Zoology. UTEVSKY, ANTARCTIC PISCICOLID LEECHES Genus Galatheabdella Richardson & Meyer, 1973 Type species: Galatheabdella bruuni Richardson & Meyer, 1973 Large leeches. Body long, cylindrical, distinctly di- vided into trachelosome and urosome; tapering to- wards suckers; with 11 pairs of pulsatile vesicles, with- out ornamentation and segmental ocelli. Complete somite 14-annulate. Anterior sucker: medium-sized, distinctly divided from trachelosome, eccentrically attached, surface smooth, eyes or eye-like spots absent, mouth-pore prior to centre. Post


. Bonner zoologische Monographien. Zoology. UTEVSKY, ANTARCTIC PISCICOLID LEECHES Genus Galatheabdella Richardson & Meyer, 1973 Type species: Galatheabdella bruuni Richardson & Meyer, 1973 Large leeches. Body long, cylindrical, distinctly di- vided into trachelosome and urosome; tapering to- wards suckers; with 11 pairs of pulsatile vesicles, with- out ornamentation and segmental ocelli. Complete somite 14-annulate. Anterior sucker: medium-sized, distinctly divided from trachelosome, eccentrically attached, surface smooth, eyes or eye-like spots absent, mouth-pore prior to centre. Posterior sucker: large, distinctly divided from urosome, eccentrically attached, surface smooth, with- out ocelli. Digestive system. Esophageal diverticula absent. Crop tubular, without distinct chambers and lateral processes. Posterior crop caeca absent. Intestine with chambers. Rectal dilation present. Reproductive system. Six pairs of testisacs. Semi- nal reservoirs long, ejaculatory ducts long, common part small, bursa long. Accessory glands present. Con- ductive tissue mass present, copulatory area absent. Coelomic system. Structure unknown. Host data: Coryphaenoides sp, Bassozetus sp. Distribution (Fig. 54): Tasman Sea; Atlantic sec- tor of the Antarctic region. Monotypic genus. Reference: Richardson & Meyer 1973. Galatheabdella bruuni Richardson & Meyer, 1973* 1. External characters (Figs. 55, 56). Large leeches. Up to 90 mm in length, 5 mm in width. Body long, cylindrical, distinctly divided into trachelosome and urosome; surface smooth, semitransparent, without ornamentation and ocelli, 11 pairs of pulsatile vesicles on urosome (Fig. 56). Trachelosome tapering cephalad. Urosome tapering caudad. Anterior sucker medium-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschung


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