Nannotax3 - ntax_cenozoic - Micrantholithus vesper

Micrantholithus vesper

Classification: ntax_cenozoic -> Braarudosphaerales -> Braarudosphaeraceae -> Micrantholithus -> Micrantholithus vesper
Sister taxa: M. breviradiatus, M. disculus, M. flos ⟩⟨ M. astrum, M. entaster, M. excelsus, M. hebecuspis, M. minimus, M. pinguis, M. vesper ⟩⟨ M. attenuatus, M. mirabilis ⟩⟨ M. angulosus, M. bramlettei, M. bulbosus, M. crenulatus, M. tinus, M. sp.


Citation: Micrantholithus vesper Deflandre 1950
Rank: Species
Synonyms: Arguably a senior synonym of M. astrum Bown 2005

Distinguishing features:
Parent taxon (Micrantholithus): Pentaliths with sutures emerging through corners; edge often indented giving stellate outline
This taxon: Stellate Micrantholithus with deeply indented sides

Farinacci & Howe catalog pages: M. vesper *

Search data:
TagsLITHS: nannolith-radiate, pentagonal, star-shaped, CROSS-POLARS: T-prominent,
MetricsLith size: 8->30µm; Segments: 5->5; Liths per sphere: 12->12
Data source notes: lith size (diameter) from OD & illustrated specimens; lith numbers assumed from geometry
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Notes: Commonly observed in the Early Miocene of the Paratethys - e.g. Stradner & Fuchs 1979, Bartol et al 2008, Auer et al. 2014. Also from Israel (NN4-5) by Moshkovitz & Ehrlich 1981
Last occurrence (top): within Early Miocene Sub-Epoch (15.97-23.03Ma, top in Burdigalian stage). Data source: rough estimate
First occurrence (base): within Early Eocene Sub-Epoch (47.84-55.96Ma, base in Ypresian stage). Data source: Bramlette & Sullivan 1961

Plot of occurrence data:


Auer, G., Piller, W. E. & Harzhauser, M. (2014). High-resolution calcareous nannoplankton palaeoecology as a proxy for small-scale environmental changes in the Early Miocene. Marine Micropaleontology. 111: 53-65. gs

Bartol, M., Pavsic, J., Dobnikar, M. & Bernasconi, S. M. (2008). Unusual Braarudosphaera bigelowii and Micrantholithus vesper enrichment in the Early Miocene sediments from the Slovenian Corridor, a seaway linking the Central Paratethys and the Mediterranean. Palaeogeography Palaeoclimatology Palaeoecology. 267(1-2): 77-88. gs

Bramlette, M. N. & Sullivan, F. R. (1961). Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology. 7(2): 129-188. gs

Bybell, L. M. & Gartner, S. (1972). Provincialism among mid-Eocene calcareous nannofossils. Micropaleontology. 18(319-336): -. gs

Deflandre, G. (1950). Observations sur les Coccolithophoridés, à propos d'un nouveau type de Braarudosphaeridé, Micrantholithus, à éléments clastiques. Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences, Paris. 231: 1156-1158. gs

Moshkovitz, S. & Ehrlich, A. (1981). Biostratigraphical problems of the Middle Miocene calcareous nannofossils and the palaeoecological significance of the Braaruudosphaerids in the coastal plain and offshore of israel. Geological Survey of Israel Current Research. 198: 43-47. gs

Müller, C. (1974c). Nannoplankton aus dem Mittel-Miozän von Walbersdorf (Burgenland). Senckenbergiana Lethaea. 55: 389-405. gs

Perch-Nielsen, K. (1971c). Elektronenmikroskopische untersuchungen an Coccolithen und verwandten Formen aus dem Eozan von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 18(3): 1-76. gs

Stradner, H. & Fuchs, R. (1980). Über Nannoplanktonvorkommen im Sarmatien (Ober-Miozän) der Zentralen Paratethys in Niederösterreichung im Burgenland. Beitrage zur Paläontologie von Österreichs. 7: 251-279. gs V O


Micrantholithus vesper compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-9-2021

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