Nannotax3 - ntax_mesozoic - Stradnerlithus humilis

Stradnerlithus humilis

Classification: ntax_mesozoic -> hidden -> deleted -> Stradnerlithus humilis
Sister taxa: << < S. pseudobiskayae, S. gephyrion, S. acutiferrus, S. laffittei, Thoracosphaera, T. wombatensis, Z. sisyphus, W. communis, L. primigenius, C. crucifer, T. senarius, Z. elegans, S. cotortuosus, N. funiculus group, L. imprimus, S. humilis

Distinguishing features: Minute (ca 1.8µm), narrowly elliptical Stradnerlithus with central area spanned by a longitudinal bar and ~12 lateral bars (delimiting 12 holes).

Taxonomy:

Citation: Stradnerlithus humilis Goy in Goy et al., 1979

Rank: Species

Taxonomic discussion: Very similar to S. comptus and possibly a junior synonym, but according to type description significantly smaller.

Farinacci & Howe catalog pages: S. humilis *

Distinguishing features: Minute (ca 1.8µm), narrowly elliptical Stradnerlithus with central area spanned by a longitudinal bar and ~12 lateral bars (delimiting 12 holes).

Size: According to the scale bar on the type illustration the holotype is 1.8µm long

Search data:

Tags	LITHS:
Metrics	Lith size: 0->0µm;

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 (178.24-182.70Ma, top in Toarcian stage). Data source: Goy et al. 1979
First occurrence (base): within Early Toarcian Substage (178.24-182.70Ma, base in Toarcian stage). Data source: Goy et al. 1979

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: deleted

References:

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 des laboratories de géologie Lyon. 75: 33-57. gs

Missing or ambiguous references: ; ;

Stradnerlithus humilis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-1-2021

Taxon Search:

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11178 Go to Archive.is to create a permanent copy of this page - citation notes

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