Nummulites in Wadi Al-Hitan Whale Valle in Fayoum Egypt

A nummulite is a large lenticular fossil, characterized by its numerous coils, subdivided by septa into chambers. They are the shells of the fossil and present-day marine protozoan Nummulites, a type of foraminiferan. Nummulites commonly reach 6 cm (2.4 inches) in diameter, and are common in Tertiary marine rocks, particularly around the Mediterranean (e.g. Eocene limestones from Egypt). Image above shows the outside and inside of the shell. Foraminifera Nummulites lyelli Middle Eocene (about 37 Ma). Wadi Al-Hitan, El Faiyum, Egypt.

Plenty of the coinlike Nummulites are found scattered on the ground, and embedded inside the rock.

Nummulites lyelli. Middle Eocene (about 37 Ma). Wadi Al-Hitan, El Faiyum, Egypt.

NUMMULITE of  Fayoum oasis Egypt famous as (Qaroun piasters)

Nummulites laevigatus foraminifera fossil specimens within a beige white limestone matrix, these micro fossils are excellent examples of these amoeboid protists, they exhibit exceptional details, dated to the middle Eocene period .