Keywords: Gyrocotyle rugosa.png en Internal morphology of Gyrocotyle rugosa Plathelminthes Gyrocotyloidea Spencer W B 1889 The anatomy of Amphiptyches urna Grube and Wagener Transactions of the Royal Society of Victoria 1Â 2 138 “151 Watson E E 1911 The genus Gyrocotyle and its significance for problems of Cestode structure and phylogeny University of California Publications in Zoology 6Â 15 353 “468 http //www archive org/details/genusgyrocotylei00watsrich Reprint on archive org 1889 Walter Baldwin Spencer 1860 “1929 PD-old-80-1923 Gyrocotyle rugosa |