app/models/nomenclatural_rank/icn/family_group.rb
class NomenclaturalRank::Icn::FamilyGroup < NomenclaturalRank::Icn
def self.validate_name_format(taxon_name)
taxon_name.errors.add(:name, 'name must be capitalized') unless !taxon_name.name.blank? && taxon_name.name == taxon_name.name.capitalize
end
def self.valid_parents
self.collect_descendants_to_s(
NomenclaturalRank::Icn::HigherClassificationGroup,
NomenclaturalRank::Icn::FamilyGroup)
end
end