Septitrema lichae n. g., n. sp. (Monogenea: Monocotylidae) from the nasal tissues of the deep-sea kitefin shark, Dalatia
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Septitrema lichae n. g., n. sp. (Monogenea: Monocotylidae) from the nasal tissues of the deep-sea kitefin shark, Dalatias licha (Bonnaterre) (Squaliformes: Dalatiidae), off Algeria Houda Kheddam . Leslie A. Chisholm Fadila Tazerouti
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Received: 28 April 2020 / Accepted: 1 September 2020 Springer Nature B.V. 2020
Abstract Septitrema lichae n. g., n. sp. (Monogenea: Monocotylidae: Merizocotylinae) is described from the nasal tissue of the deep-sea kitefin shark, Dalatias licha (Bonnaterre) (Dalatiidae) collected off Algiers, Algeria. The new genus is distinguished from the other genera in the subfamily by the number and arrangement of the loculi on the haptor having one central and seven peripheral loculi. The diagnosis of the Merizocotylinae is amended to accommodate this species and a key to the genera of the Merizocotylinae is provided. Terminology of the haptoral loculi in the
This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub:859818D0-DFA8-46BA-AF5DE12F8F7187BA. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.
Merizocotylinae and the status of some of the genera in the subfamily are also discussed.
Introduction The Monocotylidae is a family of monogeneans that parasitise chondrichthyans. A survey of the monogeneans from the deep-sea kitefin shark, Dalatias licha (Bonnaterre) was conducted between 2010 and 2012 off the coast of Algeria. This was part of a larger study to examine the parasite fauna of a diversity of shark species from the Mediterranean Sea off Algiers (see Kheddam et al., 2016). Monocotylids found on the nasal tissues of D. licha are described herein as a new genus and species in the Merizocotylinae. The diagnosis of the subfamily has been amended to accommodate the new genus and a key to the genera in the Merizocotylinae is given.
This article is part of the Topical Collection Monogenea. H. Kheddam F. Tazerouti Laboratoire de Biodiversite´ et Environnement: Interactions et Ge´nomes, Faculte´ des Sciences Biologiques, Universite´ des Sciences et de la Technologie Houari Boumediene, BP 32, El Alia Bab Ezzouar, Alger, Algeria H. Kheddam Faculte´ des Sciences de la Nature et de la Vie, Universite´ Saad Dahleb-Blida, BP. 270, Route de Soumaa, Blida, Algeria
L. A. Chisholm (&) Parasitology Section, South Australian Museum, North Terrace, Adelaide, SA 5000, Australia e-mail: [email protected] L. A. Chisholm Ecology and Evolutionary Biology, School of Biological Sciences, University of Adelaide, North Terrace, Adelaide, SA 5001, Australia
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Materials and methods Seventy specimens of the kitefin shark, Dalatias licha (Bonnaterre), were caught by fishermen while line fishing at four localities off Algeria: Dellys (36550 N, 3530 E), Cap Djenet (36430 N, 3360 E), Bou Haroun (36400 N, 4400 E) and Cherchel
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