Abstract：
:Two new genera and three new species of paramphistomoid digeneans are described in the family Cladorchiidae Fischoeder, 1901 from doradid, heptapterid, pimelodid and pseudopimelodid fishes in the Amazon River in Peru. Goeldamphistomum amazonum n. g., n. sp. (type-species) from Goeldiella eques (Müller & Troschel) (type-host) and Tenellus trimaculatus (Boulenger), and Goeldamphistomum peruanum n. g., n. sp. from Duopalatinus peruanus Eigenmann & Allen (type-host), Calophysus macropterus (Lichtenstein) and Microglanis sp. are placed in the Dadayiinae Fukui, 1929. Both species have an accessory acetabular sucker, which distinguishes the genus from all taxa previously reported from South American freshwater fishes. They differ from each other primarily in that G. amazonum has a prebifurcal genital pore and oblique, separated testes, the levels of which rarely overlap longitudinally, whereas G. peruanum has a postbifurcal genital pore and testes directly to obliquely tandem. Iquitostrema papillatum n. g., n. sp. (Kalitrematinae Travassos, 1933) from the intestine of Hassar orestis (Steindachner) differs from other members of the subfamily in the combination of a massive acetabulum with a papillate luminal surface and symmetrical testes which overlie the caeca close to the caecal arch. These are the first records of paramphistomes from the five host species studied here.
journal_name
Syst Parasitoljournal_title
Systematic parasitologyauthors
Pantoja C,Scholz T,Luque JL,Jones Adoi
10.1007/s11230-018-9808-ysubject
Has Abstractpub_date
2018-09-01 00:00:00pages
611-624issue
7eissn
0165-5752issn
1573-5192pii
10.1007/s11230-018-9808-yjournal_volume
95pub_type
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pub_type： 杂志文章
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更新日期：2002-07-01 00:00:00
