Nannolith genera inc sed

Daughter taxa (time control age-window is: 0-800Ma)					Granddaughter taxa
				extant genera
				Ericiolus Nannoliths are tetrads of spines - “caltrops”. Cells monomorphic, saddle-shaped, with long flagella and haptonema.	Ericiolus frigidus Ericiolus sp. Y Ericiolus spiculiger Ericiolus sp.
				Florisphaera Coccoliths formed of single angular calcite unti, coccospheres flower-like	Florisphaera profunda Florisphaera sp.
				Pileolosphaera Coccosphere formed of a few cap-shaped nannoliths	Pileolosphaera longistirpes
				Mercedesia Nannoliths triradiate. Cells monomorphic.	Mercedesia aspiphora Mercedesia multistellata Mercedesia pusilla
				Extinct genera
				Goniolithus Small to medium pentagonal liths, with narrow rim and granular central area plate. Dark image in LM.	Goniolithus fluckigeri Goniolithus sp.
				Nannoturba	Nannoturba joceliniae Nannoturba jolotteana Nannoturba robusta Nannoturba spinosa Nannoturba sp.
				Minylitha Nannoliths kite-shaped plates with raised margin on both sides	Minylitha convallis Minylitha cancellata Minylitha sp.
				Unidentified nannoliths

Taxonomy:

Distinguishing features:
Parent taxon (Nannolith families inc sed): Haptophytes forming calcareous structures not obviously homologous with heterococcoliths, holococcoliths, or discoasteralids
This taxon: Three apparently unique genera, not-included in described families

Farinacci & Howe catalog pages: Nannolith genera inc sed [no catalog entry yet]

Morphology:

Ecology & Biogeography

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Coniacian Stage (0% up, 89.8Ma, in Turonian 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. For the customisable plot option go to a genus page Parent: Nannolith families inc sed

Nannolith genera inc sed compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-11-2022 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=884 Go to Archive.is to create a permanent copy of this page - citation notes

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