Taxonomy:
Distinguishing features: Central area with two concentric rings and transverse bar
CFC process ca. 2.5 µm high, straight without apical structure, additional ?CFCs have shorter spines (ca. 0.5 µm).
Farinacci & Howe catalog pages:
Size: Coccosphere ca. 6 µm; BCs 1 µm long
Tags | LITHS: murolith, elliptical, CA: concentric-ring(s), ca_disjunct, vacant, process, CSPH: equant, CFC, |
Metrics | Lith size: 0.8->1.2µm; Coccosphere size: 5->7µm; Liths per sphere: 100->120 Data source notes: csph & lith size (BC diameter) from Cros & Fortuño 2002 & slightly extended |
Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY rough estimate]
Plot of occurrence data:
Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. gs V O Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research, Special Issue. 1: 1-132. gs V OReferences:
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Pappomonas sp. type 4 compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021
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