part of overlaps develops from start stage end stage coracoid ZFA:0000332 TAO:0000332 Endochondral bone that articulates dorsally with the scapula and with the mesocoracoid when the latter is present, posteriorly with the lower two or three proximal radials and antero-ventrally with the cleithrum. The coracoid develops from the scapulo-coracoid cartilage. The coracoid is paired. coracoids scapulocoracoid zebrafish_anatomy pectoral girdle scapulocoracoid endochondral bone inter-coracoid joint larval:days 14-20 adult