Back جؤجئيات Arabic جؤجئيات ARZ Carinatae Basque تیغهداران Persian Carinatae French Carinatae Galician Carinatae Hungarian Ողնուցավոր թռչուններ Armenian Carinatae Italian 胸峰類 Japanese
Carinatae is the group of all birds and their extinct relatives to possess a keel, or "carina", on the underside of the breastbone used to anchor large flight muscles.