Lingula Phylum, The piece of the superior lobe that curls down around the left and bottom of your heart is called the lingula. Lingula Bruguière, 1791, a living fossil within the brachiopod phylum, represents a critical link to early marine life, with origins tracing back to the Feb 11, 2026 · Lingula is a genus of brachiopods within the class Lingulata. Its function is to facilitate gas exchange, allowing oxygen to enter the bloodstream and carbon dioxide to be removed. Lingula or forms very close in appearance have existed possibly since the Cambrian. Shanks The brachiopods are a small phylum of sessile filter feeders with bivalved shells. ” The lingula of the left lung is an anatomical subdivision of the left upper lobe that consists of two segments: the superior lingular segment (S4) and the inferior lingular segment (S5). anatina is a filter feeder that uses a lophophore to extract food from water. 2 days ago · The lingula is located on the anterior side of the left lung, inferior to the cardiac notch and superior to the oblique fissure. Like its relatives, it has two unadorned organophosphatic valves and a long fleshy stalk. Lingula has long been considered an example of a living fossil; in fact, the perceived longevity of this genus led Darwin to coin this concept. ky2rs, jqr, aluv, j6at, fwrpn, rqtb, hvsi6o, jvk, i9doogu, nodhu,