After Rasnitsyn, Zhang & Wang, 2006

<==o †“Xyelydidae” Rasnitsyn, 1968
   |--o †Ferganolyda Rasnitsyn, 1983; L.-M.Jur. CAs. EAs.
   |  |-- †F. cubitalis Rasnitsyn, 1983
   |  |-- †F. radialis Rasnitsyn, 1983
   |  |-- †F. sogdiana Rasnitsyn, 1983
   |  |-- †F. scylla Rasnitsyn, Zhang & Wang, 2006
   |  |-- †F. charybdis Rasnitsyn, Zhang & Wang, 2006
   |  `-- †F. chungkuei Rasnitsyn, Zhang & Wang, 2006
   |--o †Sagulyda Rasnitsyn, 1983; ?L.-?M.Jur. CAs. EAs.
   |  |-- †S. arcuata Rasnitsyn, 1983
   |  |-- †S. ferganica Rasnitsyn, 1983
   |  `-- †S. magna Rasnitsyn, 1983
   |-- †Xyelyda excellans Rasnitsyn, 1968; U.Jur. CAs.
   |--o †Prolyda Rasnitsyn, 1968; U.Jur. CAs.
   |  |-- †P. karatavica Rasnitsyn, 1968
   |  |-- †P. depressa (Rasnitsyn, 1969)
   |  `-- †P. xyelocera Rasnitsyn, 1968
   |--o †Strophandria Rasnitsyn, 1968; U.Jur. CAs.
   |  |-- †S. grossa Rasnitsyn, 1968
   |  `-- †S. moderata Rasnitsyn, 1983
   `--o †Mesolyda Rasnitsyn, 1963; U.Jur. NEAs.
      |-- †M. jurassica Rasnitsyn, 1963
      `-- †M. sibirica Rasnitsyn, 1983

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