Nummulite
Videos
A nummulite is a large lenticular fossil, characterised by its numerous coils, subdivided by septa into chambers. They are the shells of the fossil and present-day marine protozoan Nummulites, a type
Nummulitids
Fossil nummulites in Urbasa, Navarre
Foraminifera
Videos
Foraminifera are single-celled organisms, members of a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other uses; and commonly an external sh
Nummulite
…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 vary in diameter from 13 to 50 mm (0.51 to 1.97 in) and are common in Eocene to Miocene marine rocks, particularly around southwest…
Ammonia tepida
Foraminiferan tests (ventral view)
The mysterious Paleodictyon has been interpreted as a fossil xenophyophore but this remains controversial.