Species
Ptychoptilum major† Emeljanov, 1990
type species Basionym original publication
Emeljanov A. F. 1990 - Novy rod i triba semeïstva Achilidae (Homoptera, Cicadina) iz baltiïskogo yantarya. Vestnik Zoologii 1: 6-10. |
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Eocene [55.8-33.9 Ma] according to | |||
Bartonian [41.2-37.8 Ma] according to | |||
Lutetian [47.8-41.2 Ma] according to |