Nannotax3 - ntax_mesozoic - Lithraphidites pugio

Nannotax3 - ntax_mesozoic - Lithraphidites pugio <title>Nannotax3 - ntax_mesozoic - Lithraphidites pugio

Lithraphidites pugio

Classification: ntax_mesozoic -> Nannoliths inc sedis -> Microrhabdulaceae -> Lithraphidites -> Lithraphidites pugio
Sister taxa: L. carniolensis ⟩⟨ L. charactozorro, L. grossopectinatus, L. kennethii, L. praequadratus, L. quadratus ⟩⟨ L. acutus, L. alatus, L. pseudoquadratus ⟩⟨ L. houghtonii, L. moray-firthensis ⟩⟨ L. aichmoides, L. magnus, L. pugio, L. bollii, L. sp.

Distinguishing features:
Parent taxon (Lithraphidites): Bladed, rod-shaped nannoliths typically tapering at both ends and with a cruciform cross-section and variably developed lateral projections; crystallographic c-axis perpendicular to length
This taxon: Very large (13–24 μm long, 4.5-8 µm wide), dagger-shaped, outline convex

Aguado et al 2022 f13 C-E.jpg
Aguado et al 2022 f12 J-K.jpg
Aguado et al 2022 f12 L-M.jpg
Aguado et al 2022 f13 A-B.jpg
Aguado et al 2022 f12 I.jpg
Aguado et al 2022 fig9-11.jpg

Taxonomy:

Citation: Lithraphidites pugio Aguado, in Aguado et al. 2022

Rank: species

Farinacci & Howe catalog pages: L. pugio *

Morphology:

Lithraphidites pugio differs from L. magnus (emend.) by having a shorter (usually 4.5 μm) and nearly parallel sides (by around the half of its length) in side view, before tapering at the end. [Aguado et al. 2022]

Size:

Ecology & Biogeography

Biology & life-cycles

Phylogenetic relations

Most likely ancestor: Lithraphidites aichmoides - at confidence level 3 (out of 5). Data source: Aguado et al. 2022 (Fig 11).
Likely descendants: Lithraphidites magnus; plot with descendants

Search data:

LITHS: nannolith-other, rod-shaped,

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): in upper part of Late Barremian Substage (70% up, 127.2Ma, in Barremian stage). Data source: Aguado et al. 2022, fig 11
First occurrence (base): in lower part of Late Barremian Substage (20% up, 128.8Ma, in Barremian stage). Data source: Aguado et al. 2022, fig 11

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: Lithraphidites

References:

Aguado, R., Company, M., O'Dogherty, L., Sandoval, J. & Martinez, M. (2022). New insights into the Barremian–lower Aptian calcareous nannofossils of the Mediterranean Tethys: Chronostratigraphic and paleobiogeographic implications. Marine Micropaleontology. 173: 1-24. gs V O

Lithraphidites pugio compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-1-2023

Taxon Search:

Advanced Search

AphiaID: not found
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11406 Go to Archive.is to create a permanent copy of this page - citation notes

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