Eocene and not Cretaceous origin of spider wasps: Fossil evidence from amber Author Rodriguez, Juanita Author Waichert, Cecilia Author Von Dohlen, Carol D. Author Jr., George Poinar Author Pitts, James P. text Acta Palaeontologica Polonica 2016 2015-01-28 61 1 89 96 http://dx.doi.org/10.4202/app.00073.2014 journal article 10.4202/app.00073.2014 1732-2421 10980736 Genus Anoplius Dufour, 1834 Type species : Sphex fusca Linnaeus, 1751 (Latreille, 1803), type by subsequent designation; Recent , England .