Taxonomy:
Distinguishing features: Small holococccolith with small blocks at either end and two relatively large longitundinal central area holes.
Farinacci & Howe catalog pages: L. duocavus *
Search data:Tags | LITHS: holococcolith, elliptical, CA: pores, CROSS-POLARS: R-prominent, |
Metrics | Lith size: 4->5µm; Data source notes: lith size from illustrated specs |
Geological Range:
Last occurrence (top): within NP4 zone (61.51-63.25Ma, top in Selandian stage). Data source: [PRB rough estimate]
First occurrence (base): within NP1 zone (65.47-66.04Ma, base in Danian stage). Data source: [PRB rough estimate]
Plot of occurrence data:
Bown, P. R. (2016). Paleocene calcareous nannofossils from Tanzania (TDP sites 19, 27 and 38). Journal of Nannoplankton Research. 36(1): 1-32. gs V O Locker, S. (1967b). Neue Coccolithophoriden (Flagellata) aus dem Alttertiär Norddeutschlands. Geologie, Berlin. 16: 361-364. gs Varol, O. (1998). Palaeogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 200-224. gsReferences:
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Lanternithus duocavus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-4-2021
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