new genus and species of aporocotylidae (digenea) from a basal actinopterygian, the american paddlefish, polyodon spathula, (acipenseriformes: polyodontidae) from the mississippi delta. | acipensericola petersoni n. gen., n. sp. (digenea: aporocotylidae) infects the heart of the american paddlefish polyodon spathula (walbaum, 1792) in the mississippi delta. it has robust, spike-like body spines arranged in ventrolateral transverse rows; a bowl-shaped anterior sucker centered on the mouth and having minute spines on the inner anteroventral surface only; a pharynx; an inverse u-shaped ceca extending to near the posterior body end; intercecal testes comprising a pre-ovarian testicul ... | 2008 | 18564750 |