1. Lingula is a genus of Brachiopods within the class Lingulata

2. Today, students may learn about Brachiopods in biology class by studying one of living representatives Lingula

3. Associated congenital anomalies were coarctation, mitral stenosis, and imperforate anus. Cardiac catheterization and angiocardiography at the age of 5 months demonstrated an inconspicuous pulmonary trunk dividing into left and right branches. There was a normal right pulmonary artery, and a main left pulmonary artery supplying the left upper lobe, lingula, and anterior segments of the left lower lobe.