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Cercariae of Microphallidae: determination of the genera Microphallus Ward, 1901 and Maritrema Nicoll, 1907 according to chaetotaxy
Published online by Cambridge University Press: 06 April 2009
Extract
This study compares papillae distribution in seven microphallid cercariae of the genera Microphallus and Maritrema. Certain papillae or groups of papillae have generic, supra–generic or specific significance. Microphallidae are characterized by the absence of C I cycle and of dorsal P II and P III, the presence of one C II1 and one C II2, of four mediodorsal A I D papillae and of two horizontal papillae on the tail. The number and disposition of the papillae at the front of the body (peribuccal and anterodorsal A I D and St DL) and at the back (P cycles) have a generic significance. The number and disposition of the papillae in the middle of the body (A and M cycles) have a specific significance.
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