Nannotax3 - ntax_cenozoic

Futyania

Classification: ntax_cenozoic -> Isochrysidales -> Prinsiaceae -> Futyania
Sister taxa: Futyania, Hornibrookina, Neobiscutum, Prinsius, Toweius

Daughter taxa (time control age-window is: 0-800Ma)
				Futyania petalosa Small circular to elliptical placoliths with narrow central area and tube-elements extended distally to form a flower-like distal structure.
				Futyania sp. Specimens which cannot be assigned to any established species

Taxonomy:

Citation: Futyania Varol, 1989

Rank: Genus

Type species: Futyania petalosa (Ellis and Lohmann, 1973) Varol, 1989 [Toweius].

Distinguishing features: Very small circular to elliptical placoliths with narrow central area and tube-elements extended distally to form an elevated flower-like distal structure.

Farinacci & Howe catalog pages: Futyania *

Search data:

Tags	LITHS: placolith, circular, CA: ca_conjunct, process, closed, CSPH: equant, CROSS-POLARS: V-prominent, R-prominent,
Metrics	Lith size: 1->2µm; Liths per sphere: 40->60 Data source notes: my obs

The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in lower part of Danian Stage (22% up, 65.1Ma, in Danian stage). Data source: Total of range of species in this database
First occurrence (base): near base of Danian Stage (6% up, 65.8Ma, in Danian 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: Prinsiaceae

References:

Varol, O. (1989c). Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications: Proceedings of the 2nd INA Conference, London 1987. British Micropalaeontological Society Publication Series. 265-310. gs V O

Futyania compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-4-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=598 Go to Archive.is to create a permanent copy of this page - citation notes

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