Nannotax3 - ntax_main - Sollasites arctus Nannotax3 - ntax_main - Sollasites arctus

Sollasites arctus


Classification: ntax_main -> Mesozoic nannofossils -> Podorhabdales -> Biscutaceae -> Sollasites -> Sollasites arctus
Sister taxa: S. arctus, S. arcuatus, S. bipolaris, S. concentricus, S. falklandensis, S. horticus, S. lowei, S. pristinus, S. thiersteinii, S. sp.


Taxonomy:
Citation: Sollasites arctus (Noël, 1973) Bown, 1987
Taxonomic rank: species
Basionym: Polypodorhabdus arctus Noël, 1973
Synonyms: Noellithina arcta

Distinguishing features:
Parent taxon (Sollasites): Elliptical with relatively wide central-area spanned by complex structure
This taxon: Narrowly elliptical; central area with longitudinal bar and ca. 20 lateral bars; small (4-5µm)

Farinacci & Howe catalog pages:
P. arctus *

Search data:
LITHS: placolith, elliptical, CA: ca_disjunct, grill, CROSS-POLARS: V-prominent,
Lith size: 4->5µm;
Data source notes: Bown (1987)
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Early Toarcian Substage (177.50-184.20Ma, top in Toarcian stage). Data source: Bown & Cooper 1998
First occurrence (base): within Early Toarcian Substage (177.50-184.20Ma, base in Toarcian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

References:

Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 34-85. gs O

Bown, P. R. & Young, J. R. (1997). Mesozoic calcareous nannoplankton classification. Journal of Nannoplankton Research. 19(1): 21-36. gs

Bown, P. R. (1987a). Taxonomy, evolution, and biostratigraphy of Late Triassic-Early Jurassic calcareous nannofossils. Special Papers in Palaeontology. 38: 1-118. gs

Goy, G., Noël, D. & Busson, G. (1979). Les conditions de sédimentation des schistes-carton (Toarcien inf.) du bassin de Paris déduites de l'étude des nannofossiles calcaires et des diagraphies. Document des Laboratoires de Géologie de la Faculté des Sciences de Lyon. 75: 33-57. gs O

Noël, D. (1973). Nannofossiles calcaires de sédiments jurassiques finement laminés. Bulletin du Muséum National d'Histoire Naturelle, Paris. 75 [1972]: 95-156. gs


nannotaxlogo400px

Sollasites arctus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-1-2026

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11095 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!