TypeGenera
From Species File Help
tblTypeGenera contains citation to genus that is the type for a family-group name and to oldest use of a name based on the same genus, used only for valid family group taxa.
FamilyNameID, integer, 4 bytes, = tblTaxa.TaxonNameID of a family group name GenusNameID, integer, 4 bytes, = tblTaxa.TaxonNameID of the genus or subgenus that is type for the family group name. If there is a nominotypical subgenus, use the TaxonNameID of the subgenus. LastUpdate, smalldatetime, date and time row last updated ModifiedBy, integer, 4 bytes, FileUserID of the signon that made the change CreatedOn, smalldatetime, date and time row was created CreatedBy, integer, 4 bytes, FileUserID of the signon that created the row