Futyania


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

Daughter taxa: (blue => in age window 0-800Ma)
Small circular to elliptical placoliths with narrow central area and tube-elements extended distally to form a flower-like distal structure.
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:
TagsLITHS: placolith, circular, CA: Placoliths: closed, PROCESS: broad, length-slow, low, spine,
CSPH: spherical, V-UNITS: distal shield, R-UNITS: c-str, spine, DETAILS: ca_conjunct,
MetricsLith size: 1->2┬Ám; Liths per sphere: 40->60
Sources: 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:

References:

Varol, O. (1989c). Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications. Ellis Horwood, Chichester 265-310. gs


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Futyania compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-12-2019

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Short stable page link: http://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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