Izmira turkeyi Bulnes, 2010

Rodríguez, Jorge, Grande, Cristina, Bulnes, NataliaVeronica, Almon, Bruno, Perez, Jacinto & Noreña, Carolina, 2017, Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations, European Journal of Taxonomy 264, pp. 1-30 : 21-22

Izmira turkeyi Bulnes, 2010

Fig. 5H

Izmira turkeyi Bulnes, 2010: 17 , 20, figs 7–8.

Type locality

TURKEY: Alsancak Harbour, Izmir Bay, Aegean Sea.

Description

Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes absent. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores located very close to each other (in same body third).

MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct unarmed, without stylet, but with penis rod. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present.

FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like and oriented backwards. Lang’s vesicle absent. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.

Biology

Found in sublittoral mussel beds of Mytilus galloprovincialis .

Distribution

Aegean Sea, Turkey.

Figures

Fig. 5. Schematic representations comparing the copulatory apparatus. A. Pleioplana automata (O.F. Müller, 1776). B. P. mortenseni (Bock, 1913). C. P. delicata (Yeri & Kaburaki, 1918). D. P. californica (Plehn, 1898). E. P. bosphorensis Bulnes, Kalkan, & Karhan, 2009. F. P. okusi Bulnes, Kalkan, & Karhan, 2009. G. Izmira cinari Bulnes, 2010. H. I. turkeyi Bulnes, 2010. I. Persica qeshmensis Maghsoudlou et al. 2015.