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 Family Prostomidae Thomson, 1859 * Megagnathes Motschulsky, 1849: 60 [stem: Megagnath-]. Type genus: Megagnathus Dejean, 1821 [preoccupied genus name, not Megagnathus Billberg, 1820 [ Coleoptera : Cerambycidae ]; syn. of Prostomis Latreille, 1819]. Comment: original vernacular name unavailable (Art. 11.7.2): not subsequently latinized; if found to be available then permanently invalid (Art. 39): based on preoccupied type genus. Prostomidae C. G. Thomson, 1859: 84 [stem: Prostom-]. Type genus: Prostomis Latreille, 1819. Comment: current spelling maintained (Art. 29.3.1.1): incorrect stem formation in prevailing usage (should be Prostomid-).