Stradnerlithus clatriatus

Classification: Mesozoic -> Stephanolithiales -> Stephanolithiaceae -> Stradnerlithus -> Stradnerlithus clatriatus
Sister taxa: S. helotatus, S. primitus, S. geometricus, S. fractus, S. bifurcatus, S. langii, S. tortuosus, S. asymmetricus, S. escovillensis, S. fragilis, S. callomonii, S. comptus, S. clatriatus, S. wendleri, S. haynesiae, S. silvaradius, S. sp.,

Distinguishing features: Stradnerlithus with high, narrow rim and central area spanned by a longitudinal bar and numerous (~16-22) lateral bars.


Citation: Stradnerlithus clatriatus (Rood et al., 1973) Goy in Goy et al., 1979
Rank: Species
Basionym: Nodosella clatriata Rood et al., 1973
Notes & discussion: Possibly a senior synonym of Thurmannolithion clatratum Grün & Zweili 1980

Farinacci & Howe catalog pages: Nodosella clatriata * , Lucasella majorcentralis * , Rectilius productus *

Distinguishing features: Stradnerlithus with high, narrow rim and central area spanned by a longitudinal bar and numerous (~16-22) lateral bars.

Search data:
TagsLITHS: murolith, elliptical, CA: grill, process, V-UNITS: V-prominent, DETAILS: ca_disjunct, rim-unicyclic,
MetricsLith size: 2->3µm;
Sources: holotype +/- 0.5 µm
The morphological data given here can be used on the advanced search page. See also these notes

See also: Thurmannolithion clatratum ;Diductius constans - similar but with inner wall cycle and net in central area;

Geological Range:
Last occurrence (top): within NJ8a subzone (171.79-174.59Ma, top in Aalenian stage). Data source: Bown & Cooper 1998
First occurrence (base): within NJ5b subzone (181.63-184.03Ma, base in Pliensbachian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Stradnerlithus


    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 :: ::

    Bown, P. R. (1987). 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. Documents de Géologie de la Faculté des Sciences de Lyon. 75: 33-57. gs :: ::

    Grün, W. & Zweili, F. (1980). Das kalkige Nannoplankton der Dogger-Malm-Grenze im Berner Jura bei Liesberg (Schweiz). Jahrbuch der Geologischen Bundesanstalt. 123: 231-341. gs :: ::

    Prins, B. (1969). Evolution and stratigraphy of cocolithinids from the Lower and Middle Lias. In, Bronnimann, P. & Renz, H. H. (eds) Proceedings of the First International Conference on Planktonic Microfossils, Geneva 1967. E. J. Brill, Leiden 547-558. gs :: ::

    Rood, A. P., Hay, W. W. & Barnard, T. (1973). Electron microscope studies of Lower and Middle Jurassic coccoliths. Eclogae Geologicae Helvetiae. 66: 365-382. gs :: view :: open


    Stradnerlithus clatriatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-7-2020

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