Rotalina (Rotalina) cultrata d'Orbigny, 1839 (Subjective junior synonym by Le Calvez (1977))
Globorotalia menardii is a perforate foraminiferan, about 1 millimetre (0.04in) in size. It is a single-celled animal large enough to be seen with a naked eye and is found in the fossil record back to the Paleocene.[2]
1 2 Hayward, B.W.; Le Coze, F.; Gross, O. (2019). World Foraminifera Database. Globorotalia menardii (d'Orbigny in Parker, Jones & Brady, 1865). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=113450 on 2019-01-08