app/models/nomenclatural_rank/iczn/family_group/supertribe.rb
class NomenclaturalRank::Iczn::FamilyGroup::Supertribe < NomenclaturalRank::Iczn::FamilyGroup
def self.parent_rank
NomenclaturalRank::Iczn::FamilyGroup::Infrafamily
end
def self.valid_parents
[NomenclaturalRank::Iczn::FamilyGroup::Subfamily.to_s]
end
def self.typical_use
false
end
end