pectoral girdle skeleton firmisternal girdle UBERON:3000942 Pectoral girdle that lacks epicoracoid horns. The sternum is fused to the pectoral arch, and the epicoracoid cartilages of each half of the girdle are fused to one another. The midzonal length of the girdle is shorter than that of an arciferal girdle, but pre- and postzonal elements tend to be longer. This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon