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  • Title: Phylogenetic position of Magnivitellinum Kloss, 1966 and Perezitrema Baruš & Moravec, 1967 (Trematoda: Plagiorchioidea: Macroderoididae) inferred from partial 28S rDNA sequences, with the establishment of Alloglossidiidae n. fam.
    Author: Hernández-Mena DI, Mendoza-Garfias B, Ornelas-García CP, Pérez-Ponce de León G.
    Journal: Syst Parasitol; 2016 Jul; 93(6):525-38. PubMed ID: 27307166.
    Abstract:
    The systematic position of two genera of Macroderoididae McMullen, 1937, Perezitrema Baruš & Moravec, 1967 and Magnivitellinum Kloss, 1966 is reviewed based on a phylogenetic analysis of the interrelationships of 15 species of the family allocated into six genera, along with 44 species of plagiorchioid trematodes, using partial sequences of the 28S rRNA gene. Sequences were analysed through parsimony, maximum likelihood and Bayesian inference. The obtained topologies show Perezitrema as the sister taxon of three species of Macroderoides Pearse, 1924; the latter genus appears to be paraphyletic since another three species are not included in this group. Instead, Magnivitellinum was placed as the sister taxon of Alloglossidium Simer, 1929. These relationships are well supported by high bootstrap and posterior probability values. The resulting trees demonstrate that the family Macroderoididae, as currently conceived in taxonomic treatments, is not monophyletic. Magnivitellinum simplex Kloss, 1966 and Alloglossidium spp. were nested as sister taxa of members of the family Leptophallidae Dayal, 1938, whereas Perezitrema bychowskii Baruš & Moravec, 1967 and species of Macroderoides and Paramacroderoides Venard, 1941 were grouped with Auridistomum chelydrae (Stafford, 1900), a monotypic member of Auridistomidae Stunkard, 1924. Based on our results, a new family, Alloglossidiidae n. fam. was established to accommodate the genera Magnivitellinum and Alloglossidium.
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