Family-group names in Coleoptera (Insecta) Author Bouchard, Patrice Author Bousquet, Yves Author Davies, Anthony E. Author Alonso-Zarazaga, Miguel A. Author Lawrence, John F. Author Lyal, Chris H. C. Author Newton, Alfred F. Author Reid, Chris A. M. Author Schmitt, Michael Author Ślipinski, S. Adam Author Smith, Andrew B. T. text ZooKeys 2011 88 1 972 http://dx.doi.org/10.3897/zookeys.88.807 journal article http://dx.doi.org/10.3897/zookeys.88.807 1313-2970-88-1 Ptininae incertae sedis Gnostidae Gemminger and Harold, 1868: 700 [stem: Gnost-]. Type genus: Gnostus Westwood, 1855. Ectrephidae Wasmann, 1894: 121 [stem: Ectreph-]. Type genus: Ectrephes Pascoe, 1866.