Sollasites


Classification: ntax_mesozoic -> Podorhabdales -> Biscutaceae -> Sollasites
Sister taxa: Biscutum, Discorhabdus, Similiscutum ⟩⟨ Boletuvelum, Chiastella, Crucibiscutum, Gaarderella, Gephyrobiscutum, Helicorhabdus, Jimenezberrocosoia, Seribiscutum, Sollasites

Distinguishing features: Elliptical with relatively wide central-area spanned by complex structure


Daughter taxa (time control age-window is: 0-800Ma)
Sollasites arctus
Narrowly elliptical; central area with longitudinal bar and ca. 20 lateral bars; small (4-5µm)
Sollasites arcuatus
Central area with axial cross and one additional bar per quadrant; medium size (5-7 µm)
Sollasites bipolaris
Central area with transverse bar and two figure-of-eight shaped concentric rings; very small (2.5-3.5 µm)
Sollasites concentricus
Central area with axial cross and two concentric rings; very small (2-3 µm)
Sollasites falklandensis
Central area with axial plate connected by 8 bars; large (8-11 µm)
Sollasites horticus
Central area with axial cross and two additional longitudinal bars (one either side of long axis); small to medium (3-7 µm)
Sollasites lowei
Central area with axial cross and one concentric ring; very small to medium (1-6 µm)
Sollasites pristinus
Central area with transverse bar and and one concentric ring; small
Sollasites thiersteinii
Central area with axial plate connected by 4 bars; small (3.5-5µm)
Sollasites sp.
Specimens not identified to species level

Taxonomy:

Citation: Sollasites Black, 1967
Rank: Genus
Type species: Sollasites horticus (Stradner et al. in Stradner and Adamiker, 1966) Cepek and Hay, 1969, as Sollasites barringtonensis Black, 1967, is a junior synonym.
Synonyms: Costacentrum Bukry 1969 ; Noellithina Grün & Zweili in Grun et al. 1974

Farinacci & Howe catalog pages: Sollasites * , Costacentrum * , Noellithina *

Distinguishing features: Elliptical with relatively wide central-area spanned by complex structure

Search data:
TagsLITHS: placolith, elliptical, CA: concentric-ring(s), cross-axial, ca_disjunct, grill, CROSS-POLARS: rim-bicyclic, V-prominent,
MetricsLith size: 2.5->11µm;
Data source notes: size range of included species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Maastrichtian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Pliensbachian Stage (0% up, 190.8Ma, in Pliensbachian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Black, M. (1967). New names for some coccolith taxa. Proceedings of the Geological Society of London. 1640: 139-145. gs

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

Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles. 51 (Protista 2): 1-79. gs V O

Cepek, P. & Hay, W. W. (1969a). Calcareous nannoplankton and biostratigraphic subdivision of the Upper Cretaceous. Transactions of the Gulf-Coast Association of Geological Societies. 19: 323-336. gs V O

Grün, W., Prins, P. & Zweili, F. (1974). Coccolithophoriden aus dem Lias epsilon von Holzmaden (Deutschland). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 147: 294-328. gs

Stradner, H. & Adamiker, D. (1966). Nannofossilien aus Bohrkernen und ihre elektronenmikroskopische Bearbeitung. Erdoel-Erdgas Zeitschrift. 82: 330-341. gs


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Sollasites compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11094 Go to Archive.is to create a permanent copy of this page - citation notes



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