Nannotax3 - ntax_cenozoic

Isochrysis

Classification: ntax_cenozoic -> Isochrysidales -> Isochrysidaceae -> Isochrysis
Sister taxa: Dicrateria, Isochrysis, Ruttnera, Tisochrysis

Daughter taxa (time control age-window is: 0-800Ma)
				Isochrysis galbana Dominant stage motile, ellipsoidal, cells with two types of body scale
				Isochrysis litoralis Dominant stage non-motile, one type of body scales
				Isochrysis maritima
				Isochrysis nuda Dominant stage non-motile, without body scales

Taxonomy:

Citation: Isochrysis Parke 1949

Rank: Genus

Type species:

Synonyms:

Pseudoisochrysis Ott. This name was shown to be a nomen nudum by Jordan et al. (2004), and the strains it was applied to were shown to belong to I. galbana by Bendif et al. (2013).

Original description: Cellula solitaria, natante, nuda, periplasto differentiae carente praedita; •ellipsoidi, ad anteriorem partem truncata, ad posteriorem rotundata; dorsi- ventraliter paulum depressa; quae transverse secta formam praebet ovatam; forma mutabili; 2 flagellis, longitudine paribus, ad anteriorem partem ex- sistentibus; 2 chromatophoris magnis lateralibus fulvis; ocello parvo; nucleo parvo mediano; desunt vacuola; cellula pabulum holophytica; nee oleo nee leucosino indigente; sine sexu propagatur fissione in longitudinem effecta per gradus mobiles immobilesque; cysto intra cellulam confecto; cystis sphaeroidibus cum membrana externa paulum sculpta; non deest multiplicationis genus palmelloidem per gradum effectae.

Farinacci & Howe catalog pages: Isochrysis

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): 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:

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
Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Isochrysidaceae

References:

Bendif, E. M., Probert, I, Schroeder, D. C. & de Vargas, C. (2013b). On the description of Tisochrysis lutea gen. nov. sp. nov. and Isochrysis nuda sp. nov. in the Isochrysidales, and the transfer of Dicrateria to the Prymnesiales (Haptophyta). Journal of Applied Phycology. 25: 1763-1776. gs

Jordan, R. W., Cros, L. & Young, J. R. (2004). A revised classification scheme for living Haptophytes. Micropaleontology. 50(supplement 1): 55-79. gs

Parke, M. (1949). Studies on marine flagellates. Journal of the Marine Biological Association of the United Kingdom. 28: 255-288. gs

Isochrysis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-4-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=762 Go to Archive.is to create a permanent copy of this page - citation notes

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