But they are not noted in Chinese history until about 500 A.D. Chinese history attributes gongs to the HSI YU nation, located between Burma and Tibet. It is believed by historians that Java, Annam, Burma, and China were the main gong producing centers.ongs and gong bowls in the Tibetan spiritual tradition have the deepest links with the cosmos and the spiritual world. It was not unusual for monks to use gongs to invoke spirits, maybe bad spirits (this is not recommended but, nonetheless, part of gong history).
The Sarcopterygii, or lobe-finned fishes, is a clade containing the coelacanths, lungfishes, tetrapods, and their fossil relatives, including the osteolepiformes and panderichthyids. They are the sister group to the ray-finned fishes (Actinopterygii), together forming the bony fishes (Osteichthyes).hese lobe-fins gave rise to the paired limbs of tetrapods, with the single bones representing the humerus (forelimb) and femur (hindlimb). The once-diverse coelacanths (Actinistia) are now represented by just two species in a single genus-Latimeria chalumnae and L. menadoensis.
The cartilaginous fish, or Chondricthyes, include the sharks, rays, skates, and chimaeras. There are over eight hundred living species of sharks and rays, and about thirty species of chimaeras.Cartilaginous fish are true fish. They have fins and breathe with gills.harks, rays, and chimaeras or ratfishes make up the cartilaginous fishes (Chondrichthyes), one of the two major groups of fishes. The other major group is the ray-finned fishes (Actinopterygii). Unlike the more familiar rayfinned fishes, the cartilaginous fishes have skeletons composed entirely of cartilage.