Opus vermiculatum originated in Greece, later than other mosaic types. The first example is the Sophilos mosaic of Thmius, which has been dated to around 200 BC. It spread throughout the Hellenistic world, including to Egypt, which used it for tomb decoration from the late 3rd to 1st century BC, and Syria, where it survived into later times. The Nile Mosaic has a very refined use of color and shows an advanced development. This may indicate that the technique was based on paintings. In the 1st century BC, it reached Italy along with other mosaic types. In Rome this type was common in the houses of Delos. Many fine example of this style have been found at Pompei. One remarkable work in particular portrays a scene of the Battle of Issus, which was probably copied from a 4th century BC painting. The use of opus vermiculatum declined after the 1st century AD, but continued to be used the major style employed for finer Roman mosaics until the 4th century. By then, mosaics were becoming increasingly impressionistic, taking advantage of the crystalline reflection of the tesserae, which was better suited to opus tessellatum. It was eventually entirely abandoned for this style.