What is "promecognathinae"

Promecognathinae is a subfamily of beetles in the family Carabidae. It contains 10 species in 7 genera:

• Tribe Dalyatini Mateu, 2002
  • Genus Dalyat Mateu, 2002
    • Dalyat mirabilis Mateu, 2002
• Tribe Palaeoaxinidiini McKay, 1991
  • Genus Palaeoaxinidium McKay, 1991
    • Palaeoaxinidium orapense McKay, 1991
• Tribe Promecognathini LeConte, 1853
  • Genus Axinidium Sturm, 1843
    • Axinidium africanum Sturm, 1843
    • Axinidium angulatum Basilewsky, 1963
  • Genus Holaxinidium Basilewsky, 1963
    • Holaxinidium fitsimonsi Basilewsky, 1963
  • Genus Metaxinidium Basilewsky, 1963
    • Metaxinidium leleupi Basilewsky, 1963
    • Metaxinidium nanum Basilewsky, 1963
  • Genus Paraxinidium Basilewsky, 1963
    • Paraxinidium andreaei Basilewsky, 1963
  • Genus Promecognathus Chaudoir, 1846
    • Promecognathus crassus LeConte, 1868
    • Promecognathus laevissimus Dejean, 1829