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  • Title: Dichelyne (Dichelyne) bonacii n. sp. (Nematoda: Cucullanidae) from the grey snapper Lutjanus griseus and the black grouper Mycteroperca bonaci off the coast of Yucatán, Mexico.
    Author: González-Solís D, Argáez-García N, Guillén-Hernández S.
    Journal: Syst Parasitol; 2002 Oct; 53(2):109-13. PubMed ID: 12386419.
    Abstract:
    A new cucullanid, Dichelyne bonacii n. sp., is described from the intestine of the grey snapper Lutjanus griseus and the stomach of the black grouper Mycteroperca bonaci off the coast of Yucatán. The absence of a ventral precloacal sucker and the presence of 11 pairs of caudal papillae in males allocate it to the subgenus Dichelyne. It differs from its congeners in body dimensions and by having two almost equal spicules (left 712-950 and right 722-945microm), two intestinal caeca and in the position of the deirids and excretory pore. Apparently, L. griseus acts as definitive host of this species, whereas M. bonaci may be considered as a postcyclic host. This new species represents the first record of a nematode of the subgenus Dichelyne in marine fishes of Mexico.
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