Family Nummulitidae refers to a group of large, disc-shaped foraminifera that are commonly found in marine sediments. Synonyms for this family could include Nummulitaceae, Nummulitinae, or simply nummulites. These terms are all derived from the genus name Nummulites, which is one of the most well-known and widespread genera within the family. Other possible synonyms might include "large benthic foraminifera" or "nummulitic foraminifera", which describe the physical characteristics and ecological role of these organisms. Regardless of the terminology used, the family Nummulitidae is a fascinating and important group of organisms that has played a significant role in the evolution and development of marine ecosystems over millions of years.