资料来源 : pyDict

货币虫属; 钱币虫属

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Nummulites \Num`mu*li"tes\, n. [NL. See {Nummulite}.] (Paleon.)
   A genus of extinct Tertiary Foraminifera, having a thin,
   flat, round shell, containing a large number of small
   chambers arranged spirally.