found at a beach on the island of
Bohol Micronesia + Philippine Basin Philippines
Project:
Geological Time: Quaternary Holocene recent
The images are made and contributed by
The identification is based upon:
, : Ehrenberg, C.G. (1839). Über die Bildung der Kreidefelsen und des Kreidemergels durch unsichtbare Organismen. Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin, Physikalische Klasse. 1838: 59-147, pls. 1-4. Plate , Fig.
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