nummulite

[ nuhm-yuh-lahyt ]

Phonetic (Standard)IPA

noun

a fossil foraminifer of the genus Camerina ( Nummulites ), having a calcareous, usually disklike shell.

nummulite

/ ˌnʌmjʊˈlɪtɪk; ˈnʌmjʊˌlaɪt /

any of various large fossil protozoans of the family Nummulitidae, common in Tertiary times: phylum Foraminifera (foraminifers)

First recorded in 1805–15; nummul(ar) + -ite ¹

C19: from New Latin Nummulites genus name, from Latin nummulus, from nummus coin

The nummulite limestone was undoubtedly oceanic, and the other shells contained in it are marine species.

The Eocene includes a series of sandstones and marls with lignite, and these are overlaid by nummulite limestones.

The beds are also sometimes named Nummulite limestone, Miliolite limestone, and Cerithium limestone.

In a stratum just above these are numbers of a large Nummulite (Nummulites lævigatus).

The tertiary nummulite limestone, so abundant in Egypt, has not hitherto been met with in Nubia.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

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