Pemma stradneri


Classification: Coccolithophores -> Braarudosphaerales -> Braarudosphaeraceae -> Pemma -> Pemma stradneri
Sister taxa: P. basquense, P. bybelliae, P. papillatum, P. rotundum, P. stradneri, P. triquetra, P. uncinata, P. sp.,

Taxonomy:

Citation: Pemma stradneri (Chang 1969) Bybell & Gartner 1972
Rank: Species
Basionym: Micrantholithus stradneri Chang 1969
Synonyms:

Distinguishing features: Angular Pemma species with ray tips extending beyond the pentagonal periphery

Farinacci & Howe catalog pages: M. stradneri * , P. snavelyi *

Search data:
Tagsnannolith-radiate, pentagonal, RIM: tips-trifurcate, CA: pores, process, PROCESS: distal-star,
CSPH: not known, T-UNITS: all, T-prominent,
MetricsLith size: 8->16µm; Segments: 5->5;
Data source notes: lith size (diameter) from ODs & illustrated specimens
Sources: lith size (diameter) from ODs & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Middle Eocene Sub-Epoch (37.75-47.84Ma, top in Bartonian stage). Data source: original description
First occurrence (base): within Middle Eocene Sub-Epoch (37.75-47.84Ma, base in Lutetian stage). Data source: original description

Plot of occurrence data:

References:

Bukry, D. & Bramlette, M. N. (1969b). Some new and stratigraphically useful calcareous nannofossils of the Cenozoic. Tulane Studies in Geology. 7: 131-142. gs V O

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

Bybell, L. (1975). Middle Eocene calcareous nannofossils at Little Stave Creek, Alabama. Tulane Studies in Geology and Paleontology. 11(4): 177-247. gs V O

Chang, K. H. (1969). Several new species of middle and upper Eocene nannoplankton related with Micrantholithus parisiensis Bouché. Journal of the Geological Society of Korea. 5: 145-155. 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


nannotaxlogo400px

Pemma stradneri compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-9-2020

Taxon Search:
Advanced Search

Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1040 Go to Archive.is to create a permanent copy of this page - citation notes



Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics