Nannotax3 - ntax_cenozoic - Micrantholithus pinguis

Micrantholithus pinguis

Classification: ntax_cenozoic -> Braarudosphaerales -> Braarudosphaeraceae -> Micrantholithus -> Micrantholithus pinguis
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.

Bown_2005_JNR_pl35-fig17.jpg
Bown 2010 pl9-fig16.JPG
Bown_2005_JNR_pl35-fig16.jpg
Bown-JNR2016-pl7-02.JPG
Bown-JNR2016-pl7-03.JPG
Bown-JNR2016-pl7-04.JPG
Bown-JNR2016-pl7-05.JPG
Bown-JNR2016-pl7-06.JPG
BramlSull61pl08-13.JPG
PN72 pl08-05.JPG

Taxonomy:

Citation: Micrantholithus pinguis Bramlette & Sullivan, 1961

Rank: Species

Distinguishing features: Medium sized Micrantholithus with deeply indented sides and elevated structure.

Farinacci & Howe catalog pages: M. pinguis *

Search data:

Tags	LITHS: nannolith-radiate, pentagonal, star-shaped, CROSS-POLARS: T-prominent,
Metrics	Lith size: 7->12µm; 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:
Last occurrence (top): within NP9 zone (55.86-57.21Ma, top in Ypresian stage). Data source: [PRB rough estimate]
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Micrantholithus pinguis, synonyms included - Micrantholithus pinguis; Micranthulithus pinguis;
See also space-time plot :: Samples map :: Parent: Micrantholithus

References:

Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O

Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs V O

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

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

Perch-Nielsen, K. (1972b). Remarks on Late Cretaceous to Pleistocene coccoliths from the North Atlantic. Initial Reports of the Deep Sea Drilling Project. 12: 1003-1069. gs V O