Anindobothrium n. gen. is proposed to accommodate Caulobothrium anacolum inhabiting Himantura schmardae from Colombia, and 2 new species, one inhabiting Potamotrygon orbigny in Brazil and the other inhabiting Paratrygon aereiba in Venezuela. Members of the new genus resemble members of Pararhinebothroides, Rhinebothroides, and Anthocephalum by having bothridia with poorly differentiated apical suckers and vasa deferentia expanded into external seminal vesicles. It further resembles Pararhinebothroides, Rhinebothroides, and Anthocephalum cairae by having vas deferens inserted near the poral rather than aporal end of the cirrus sac. The 3 species assigned to the new genus form an apparent monophyletic group, based on the possession of 3 putative synapomorphies: (1) genital pores in the anterior ¼ of the proglottid, a trait that is unusual, but not unique, among phyllobothriids; (2) anteroventral ovarian lobes converging to the center of the proglottid, a character not previously reported for phyllobothriids; and (3) ovarian lobes comprising a loose network of digitiform processes.
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June 2001
SYSTEMATICS-PHYLOGENETICS|
June 01 2001
Anindobothrium N. Gen. (Eucestoda: Tetraphyllidea) Inhabiting Marine and Freshwater Potamotrygonid Stingrays
FERNANDO P. L. MARQUES;
FERNANDO P. L. MARQUES
University of Toronto, Department of Zoology, 25 Harbord St., Toronto, Ontario, Canada M5S 3G5
*Present address: Universidade Estadual Paulista, Departamento de Zoologia, Botucatu, São Paulo, Brazil 18618-000.
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DANIEL R. BROOKS;
DANIEL R. BROOKS
University of Toronto, Department of Zoology, 25 Harbord St., Toronto, Ontario, Canada M5S 3G5
†University of Toronto, Department of Zoology, Toronto, Ontario, Canada M5S 3G5.
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CARLOS A. LASSO
CARLOS A. LASSO
University of Toronto, Department of Zoology, 25 Harbord St., Toronto, Ontario, Canada M5S 3G5
‡Museo de Historia Natural de La Salle, Caracas, Venezuela.
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J Parasitol (2001) 87 (3): 666–672.
Citation
FERNANDO P. L. MARQUES, DANIEL R. BROOKS, CARLOS A. LASSO; Anindobothrium N. Gen. (Eucestoda: Tetraphyllidea) Inhabiting Marine and Freshwater Potamotrygonid Stingrays. J Parasitol 1 June 2001; 87 (3): 666–672. doi: https://doi.org/10.1645/0022-3395(2001)087[0666:ANGETI]2.0.CO;2
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