Jomonlithus


Classification: ntax_cenozoic -> Coccolithales -> Hymenomonadaceae -> Jomonlithus
Sister taxa: Hymenomonas, Jomonlithus, Ochrosphaera

Daughter taxa (time control age-window is: 0-800Ma)
Jomonlithus littoralis
See generic diagnosis
Jomonlithus sp.
Specimens which cannot be assigned to established species

Taxonomy:

Citation: Jomonlithus Inouye & Chihara, 1983
Rank: Genus
Type species: Jomonlithus littoralis Inouye & Chihara, 1983

Distinguishing features: Murolith coccoliths with simple rim, partially calcified specimens show beaded ultrastructure.

Farinacci & Howe catalog pages: Jomonlithus [no catalog entry yet]


Phylogenetic relations: The genus Jomonlithus was described from a similar coastal environment to the Pleurochrysidaceae and Hymenomonadaceae and it is similar in basic morphology although the coccolith structure seems different. Its placement in the Hymonomonadaceae is based on molecular genetics data (Sa_ez et al., 2004).

Search data:
TagsLITHS: murolith, elliptical, CA: vacant,
CSPH: equant, monomorphic,
MetricsLith size: 1->1.5µm; Segments: 25->30; Coccosphere size: 10->12µm;
Data source notes: data from Probert et al. 2014
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in "Holocene" stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Inouye, I. & Chihara, M. (1983). Ultrastructure and taxonomy of Jomonlithus littoralis gen. et sp. nov. (Class Prymnesiophyceae), a coccolithophorid from the Northwest Pacific. Botanical Magazine, Tokyo. 96: 365-376. gs


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Jomonlithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 8-3-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=776 Go to Archive.is to create a permanent copy of this page - citation notes



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