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1 September 2011 Oesophagotrema mediterranea n. gen., n. sp. (Platyhelminthes, Digenea, Zoogonidae), Parasite of the Needlefish Tylosurus acus imperialis (Beloniformes, Belonidae) from off Tunisia
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Abstract

Chaari M., Derbel H. & Neifar L. 2011. — Oesophagotrema mediterranea n. gen., n. sp. (Platyhelminthes, Digenea, Zoogonidae), parasite of the needlefish Tylosurus acus imperialis (Beloniformes, Belonidae) from off Tunisia. Zoosystema 33 (3): 281–286.

Oesophagotrema mediterranea n. gen., n. sp. (Digenea, Zoogonidae) is described from the needlefish Tylosurus acus imperialis (Beloniformes, Belonidae) off the Tunisian coast. Oesophagotrema n. gen. is distinguished from all other Lepidophyllinae genera by the combination of a prominent rounded ventral sucker, caeca reaching to the anterior edge of the posterior testis, testes arranged in tandem in the middle third of the hindbody and the vitellarium in symmetrical lateral bunches located between the ovary and anterior testis. This species shows a typical specific site of infection within the digestive tract, i.e., the oesophagus and vomer teeth. The position of this zoogonid digenean on the oesophagus is discussed.

© Publications Scientifiques du Muséum national d'Histoire naturelle, Paris.
Manel Chaari, Hela Derbel, and Lassad Neifar "Oesophagotrema mediterranea n. gen., n. sp. (Platyhelminthes, Digenea, Zoogonidae), Parasite of the Needlefish Tylosurus acus imperialis (Beloniformes, Belonidae) from off Tunisia," Zoosystema 33(3), 281-286, (1 September 2011). https://doi.org/10.5252/z2011n3a2
Received: 8 December 2010; Accepted: 21 March 2011; Published: 1 September 2011
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