Nannotax3 - ntax_cenozoic - Pseudoemiliania lacunosa Nannotax3 - ntax_cenozoic - Pseudoemiliania lacunosa

Pseudoemiliania lacunosa

Classification: ntax_cenozoic -> Isochrysidales -> Noelaerhabdaceae -> Pseudoemiliania -> Pseudoemiliania lacunosa
Sister taxa: P. lacunosa, P. ovata, P. sp.


Citation: Pseudoemiliania lacunosa Kamptner, 1963 ex Gartner, 1969
taxonomic rank: Species
Basionym: Pseudoemiliania lacunosa Kamptner, 1963 ex Gartner, 1969
Taxonomic discussion: This species was invalid when originally described by Kamptner (1963), since he assigned it to a provisional genus - Ellipsoplacolithus. It was subsequently validated by Gartner (1969), when he assigned it to his new genus Pseudoemiliania. For an extended explanation of this see van Heck (1990).

Distinguishing features:
Parent taxon (Pseudoemiliania): With slits between some of the distal shield elements
This taxon: Circular to sub-circular with >12 slits, length >4µm

Farinacci & Howe catalog pages: E. lacunosus * , E. exsectus * , S. kamptneri *


Coccoliths circular to sub-circular with >12 slits, length >4µm. Abundant in the Late Pliocene, but well-developed, large, circular forms only occur in the Pleistocene.

Search data:
LITHS: placolith, circular, elliptical, CA: ca_conjunct, grill, vacant,
CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
Lith size: 4->7µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of NN19 zone (100% up, 0.4Ma, in Ionian stage). Data source: zonal marker, e.g. Young 1998
First occurrence (base): within NN15 zone (3.70-3.92Ma, base in Zanclean stage). Data source: Young 1998

Plot of occurrence data:


Bukry, D. (1971d). Coccolith stratigraphy, Leg 7 DSDP. Initial Reports of the Deep Sea Drilling Project. 7: 1513-1518. gs

Cohen, C. L. D. (1964). Coccolithophorids from two Caribbean deep-sea cores. Micropaleontology. 10(2): 231-250. gs

Gartner, S. (1969b). Correlation of Neogene planktonic foraminifera and calcareous nannofossil zones. Transactions of the Gulf-Coast Association of Geological Societies. 19: 585-599. gs

Kamptner, E. (1963). Coccolithineen-Skelettreste aus Tiefseeablagerungen des Pazifischen Ozeans. Annalen des Naturhistorischen Museums in Wien. 66: 139-204. gs O

Matsuoka, H. & Okada, H. (1989). Quantitative analysis of Quaternary nannoplankton in the subtropical Northwestern Pacific Ocean. Marine Micropaleontology. 14: 97-118. gs

Müller, C. (1979). Calcareous nannofssils from the North Atlantic (Leg 48). Initial Reports of the Deep Sea Drilling Project. 48: 589-639. gs

Salomon, R. (1999). The Calcite Palace. Website - -. gs

Samtleben, C. (1978). Pliocene-Pleistocene coccolith assemblages from Sierra Leone Rise - Site 366, Leg 41. Initial Reports of the Deep Sea Drilling Project. 41(16): 913-931. gs

van Heck, S. E. (1990). On the validity of Pseudoemiliania lacunosa Kamptner 1963 ex Gartner 1967. INA Newsletter. 12(2): 11-12. gs

Varol, O. (2004). Salisia n.g. – a new Pliocene-Pleistocene coccolith genus. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 2004(2): 119-128. gs

Varol, O. (2019). Vonsalisia Varol nom nov pro Salisia Varol 2004 non Lindley 1839. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 291(2): 229-230. gs

Young, J. R. (1990). Size variation of Neogene Reticulofenestra coccoliths from Indian Ocean DSDP cores. Journal of Micropalaeontology. 9: 71-86. gs

Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 225-265. gs

Missing or ambiguous references: de Kaenel et al. 1999;


Pseudoemiliania lacunosa compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-5-2024

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Comments (2)

Ines Galovic(Croatia)
In syn. you put in bracket (Coccolithus). Did you mean Coccolithites for Coccolithites annulus Cohen, 1964?
Jeremy Young(UK)
Thank you - you are quite correct and I have corrected the page now. Jeremy