app/models/nomenclatural_rank/iczn/higher_classification_group/mirorder.rb
class NomenclaturalRank::Iczn::HigherClassificationGroup::Mirorder < NomenclaturalRank::Iczn::HigherClassificationGroup
def self.parent_rank
NomenclaturalRank::Iczn::HigherClassificationGroup::Superorder
end
def self.valid_parents
[NomenclaturalRank::Iczn::HigherClassificationGroup::Superorder.to_s]
end
def self.typical_use
false
end
end