Pernambugia tuberosa


Classification: non_cocco -> Dinophytes -> Thoracosphaeraceae -> Oblique wall -> Pernambugia -> Pernambugia tuberosa
Sister taxa: P. patata ⟩⟨ P. tuberosa

Distinguishing features: Spherical; Wall of largish, interlocking, rhombohedral crystal with c-axes oblique to surface and randomly oriented in plane of surface, diffuse extinction pattern. Archaeopyle epitractal (large, indented).

Taxonomy:

Citation: Pernambugia tuberosa (Kamptner 1963) Janofske & Karwath in Karwath 2000
Rank: species
Basionym: Thoracosphaera tuberosa Kamptner 1963
Synonyms:

Catalog entries: T. narena * , T. tuberosa *

Distinguishing features: Spherical; Wall of largish, interlocking, rhombohedral crystal with c-axes oblique to surface and randomly oriented in plane of surface, diffuse extinction pattern. Archaeopyle epitractal (large, indented).


Morphology: Wall structure: oblique
Archeopyle: Epitractal (Streng et al. 2004)

Geological Range:
Last occurrence (top): Extant Data source: Zonneveld et al. 2005
First occurrence (base): within Early Eocene Sub-Epoch (47.84-55.96Ma, base in Ypresian stage). Data source: Streng et al. 2004

References:

Janofske, D. (1996). Ultrastructure types in recent "calcispheres". Bulletin de l'Institut Oceanographique Monaco Numero Special. 14/4: 295-204. gs

Kamptner, E. (1963). Coccolithineen-Skelettreste aus Tiefseeablagerungen des Pazifischen Ozeans. Annalen des Naturhistorischen Museums in Wien. 66: 139-204. gs V O

Karwath, B. (2000). Ecological studies on living and fossil calcareous dinoflagellates of the equatorial and tropical Atlantic Ocean. Berichte aus dem Fachbereich Geowissenschaften, Universitat Bremen. 152: 1-175. gs

Streng, M., Hildebrand-Habel, T. & Willems, H. (2004b). Longterm evolution of calcereous dinoflagellate associations since the Late Cretaceous. Journal of Nannoplankton Research. 26(1): 13-46. gs V O

Streng, M., Hildebrand-Habel, T. & Willems, H. (2004a). A proposed classification of archeopyle types in calcareous dinoflagellate cysts. Journal of Paleontology. 78(3): 456-483. gs

Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs V O


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Pernambugia tuberosa compiled by Jeremy R. Young viewed: 29-10-2020

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