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Acta Parasitologica

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Volume 60, Issue 2


Diphyllidean cestodes from the bigeye houndshark Iago omanensis (Norman) (Carcharhiniformes: Triakidae) in the Gulf of Oman, with the description of Coronocestus ehsanentezarii sp. nov. (Echinobothriidae)

Mohammad Haseli / Samira Azad
Published Online: 2015-03-25 | DOI: https://doi.org/10.1515/ap-2015-0043


A new species of Coronocestus Caira, Marques, Jensen, Kuchta and Ivanov, 2013 is described from Iago omanensis (Norman) from the Gulf of Oman. Coronocestus ehsanentezarii sp. nov. differs from C. musteli (Pintner, 1889) Caira, Marques, Jensen, Kuchta and Ivanov, 2013 in that its ovary is H- rather than U-shape. The new species is easily distinguished from C. diamanti (Ivanov and Lipshitz, 2006) Caira, Marques, Jensen, Kuchta and Ivanov, 2013 by the number of spines per column on the cephalic peduncle (24-36 vs 95-118). It differs from C. hormozganiense (Haseli, Malek, Palm and Ivanov, 2012) Caira, Marques, Jensen, Kuchta and Ivanov, 2013 based on a greater number of spines per column on the cephalic peduncle (24-36 vs 18-21). The new species differs from C. notoguidoi (Ivanov 1997) Caira, Marques, Jensen, Kuchta and Ivanov, 2013 in that of its scolex is craspedote rather than acraspedote. Unlike C. coronatum (Robinson 1959) Caira, Marques, Jensen, Kuchta and Ivanov, 2013, C. ehsanentezarii sp. nov. possesses 29-35 rather than 20 apical hooks in each dorso-ventral group. The new species possesses lateral hooklets with two rows (a and b designations) in each cluster. This character had been presented earlier only for Andocadoncum Abbott and Caira, 2014. Furthermore, a new locality record is presented for C. diamanti from Iago omanensis in the Gulf of Oman. Thus, I. omanensis certainly hosts two diphyllidean species simultaneously in the Gulf of Oman. The generic diagnosis of Coronocestus is also revised to include new data.

Keywords: Cestoda; Diphyllidea; new species; new locality record; Coronocestus diamanti; Triakidae; generic diagnosis


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About the article

Received: 2014-09-04

Revised: 2014-12-20

Accepted: 2015-01-16

Published Online: 2015-03-25

Published in Print: 2015-06-01

Citation Information: Acta Parasitologica, Volume 60, Issue 2, Pages 308–314, ISSN (Online) 1896-1851, ISSN (Print) 1230-2821, DOI: https://doi.org/10.1515/ap-2015-0043.

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© 2015 W. Stefański Institute of Parasitology, PAS. Copyright Clearance Center

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