Derogenes abba Bouguerche & Huston & Karlsbakk & Ahmed & Holovachov 2024, n. sp.

• Main Authors: Bouguerche, Chahinez, Huston, Daniel C., Karlsbakk, Egil, Ahmed, Mohammed, Holovachov, Oleksandr
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2024
• Subjects: Biodiversity; Taxonomy; Animalia; Platyhelminthes; Trematoda; Plagiorchiida; Derogenidae; Derogenes; Derogenes abba; Arctic; Arctic Ocean; Barents Sea; Gadus morhua; Iceland; Northeast Atlantic; Salmo salar; Svalbard; Tromsø; White Sea
• Online Access: https://doi.org/10.5281/zenodo.12751463; http://treatment.plazi.org/id/3A3487B2553AFFEBFFD4FC57FC5BF9DC

Derogenes abba n. sp. (Figs. 1A–1C) urn:lsid:zoobank.org:act: 7CB281BD-05E0-4BAF-A717- A1E4E1477AE1 Synonyms: Derogenes varicus DV 2 of Krupenko et al . [30]; D. varicus of Olson et al . [50]. Type-host : Hippoglossoides platessoides (Pleuronectiformes: Pleuronectidae), American plaice. Type-locality : Svalbard, Norway, Arctic Ocean, at 79 59.860558 N, 15 27.879328 E, and 170 m depth. Other hosts : Invertebrate hosts, first intermediate hosts: Amauropsis islandica (Naticidae), Iceland moonsnail; Euspira pallida (Naticidae), Pale moonsnail; Buccinum scalariforme (Buccinidae), ladder whelk (definitive host). Other localities : United Kingdom, North Sea [50]. Keret Archipelago, White Sea. Dalniye Zelentsy, Barents Sea [30]. Site in host : Stomach. Deposited examined material: Holotype (SMNHType-9562), 11 paratypes (SMNH- Type-9563–9573), and 2 paratypes with molecular information (hologenophores) (SMNH- Type-9563–9564) deposited in the Type collections of the Swedish Museum of Natural History (SMNH), Stockholm, Sweden. One paratype (TSZY-519) deposited in the collections of The Arctic University Museum of Norway (UiT), Tromsø, Norway. Paratypes with molecular information : anterior parts of specimens mounted on a slide, posterior part used for molecular analysis: slide SMNH- Type-9563; slide SMNH- Type-9564. Representative DNA sequences : Partial 28S, two sequences (GenBank, PP314018–PP314019); ITS2, two sequences (GenBank, PP314020, PP314022); Partial cox 1, two sequences (GenBank PP384389–PP384390). Additional material examined for comparison : Whole mounts: (1) Eighteen specimens of D. varicus s. s . ex Salmo salar , Bremanger, Norway, Northeast Atlantic (SMNH 218683–218700). (2). Ten specimens of D. varicus s. s . ex Gadus morhua from Svalbard, Norway, Arctic (TSZY-520– 529). (3). Derogenes varicus s. l . from the collection of T. Odhner in the Invertebrates collection of the Swedish Museum of Natural History (SMNH): one specimen ex Limanda limanda from Gullmarsfjorden, Kristineberg, Sweden, NEA (SMNH-114551); ...