The included species were formerly placed in the leaf-roller family Tortricidae and are known from fossils found in Russia and the United States (specifically Colorado).

It is a single, mostly complete adult of undetermined sex, preserved as a compression fossil in fine grained shale.

[4] The type specimen is currently preserved in the paleoentomological collections housed in the National Museum of Natural History, part of the Smithsonian Institution, located in Washington, D.C., United States.

P. destructus was first studied by Dr Theodore D. A. Cockerell of the University of Colorado, with his 1917 type description being published in the Proceedings of the United States National Museum.

[5] P. florissantanus was first studied by Dr Theodore D. A. Cockerell of the University of Colorado, with his 1907 type description being published in the journal Canadian Entomologist.

[3] The holotype of P. sadilenkoi, Sadilenko 4, was discovered in a chunk of Baltic amber found in the Kaliningrad Oblast that dated back to the Priabonian age.