closely+set
131antiarch — ▪ paleontology any of an order of extinct, mainly freshwater, jawed fishes, class Placodermi, abundant during Middle and Late Devonian times (387 to 360 million years ago). Members of such genera as Bothriolepis and Pterichthys were… …
132opus vermiculatum — ▪ mosaic type of mosaic work frequently used in Hellenistic (Hellenistic Age) and Roman times, in which part or all of a figural mosaic is made up of small, closely set tesserae (cubes of stone, ceramic, glass, or other hard material) that… …
