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Large fossil protozoan of the Tertiary period
Answer for the clue "Large fossil protozoan of the Tertiary period ", 9 letters:
nummulite
Word definitions for nummulite in dictionaries
Wikipedia
Word definitions in Wikipedia
thumb|left|250px|Fossil nummulites in Urbasa , Navarre 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 ...
WordNet
Word definitions in WordNet
n. large fossil protozoan of the Tertiary period
Wiktionary
Word definitions in Wiktionary
n. A protozoan from the Tertiary period, known only as fossils
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Nummulite \Num"mu*lite\, n. [L. nummus a coin + -lite: cf. F. nummulite.] (Paleon.) A fossil of the genus Nummulites and allied genera.
Usage examples of nummulite.
The ascending slopes were not, as I had thought, formed of nummulite limestone but of Jura rock, pale red in colour and of a striking aspect at sunset.