Ants (Hymenoptera: Formicidae) of Formation Green River and some other Middle Eocene deposits of North Americaстатья
Статья опубликована в журнале из списка RSCI Web of Science
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Местоположение издательства:Moscow, Russia (Federation)
Первая страница:411
Последняя страница:436
Аннотация:Middle Eocene ants collected in Green River, Kishenehn and Klondike Mountain Formations in western North America are reviewed. 18 species and 12 genera (7 formal ones) are recorded, 6 genera and 15 species described as new (Mianeuretus eocenicus sp.n., Proiridomyrmex vetulus gen. sp.n., Dolichoderus kohlsi sp.n., Myrmecites rotundiceps gen. sp.n., Solenopsites minutus gen. sp.n., Ponerites eocenicus gen. sp.n., P. coloradensis sp.n., P. hypoponeroides sp.n., Pachycondyla labandeirai sp.n., Eoformica magna sp.n., E. globularis sp.n., Klondikia whiteae gen. sp.n., Kohlsimyrma laticeps gen. sp.n., K. longiceps sp.n., K. gracilis sp.n.). Key to genera is given for ant wingless impression fossils in Middle Eocene of N. America. Problems of preservational state and parataxonomy of ant impression fossils are discussed. General ant history is outlined based mainly on the Eurasian material, N. American data are considered on that background, and 4 main stages of ant history are identified: (1) later Early Cretaceous through latest Cretaceous: ancient ant fauna, (2) Paleocene and Early Eocene: old ant fauna, (3) Middle Eocene through at least Early Oligocene: formation of the modern fauna, and (4) Oligocene or Miocene through now: essentially modern fauna).