radiolaria - rads_cenozoic - Siphostichartus radiolaria - rads_cenozoic - Siphostichartus

Siphostichartus


Classification: rads_cenozoic -> Artostrobiidae -> Siphostichartus
Sister taxa: Artobotrys, Artostrobium, Aspis, Botryostrobus, Buryella, Dictyoprora, Lithamphora, Lithomitra, Phormostichoartus, Siphocampe, Siphostichartus, Spirocyrtis, Theocamptra, Tricolocampe
Daughter taxa (time control age-window is: 0-800Ma)
Siphostichartus corona

neptune records: 949
Siphostichartus praecorona

neptune records: 18
Siphostichartus sp.

neptune records: 2

Taxonomy

Citation: Siphostichartus Nigrini 1977
taxonomic rank: genus
Basionym: Siphostichartus

Catalog entries: Siphostichartus

Original description: Artostrobiid having four segments, ovate to spindle-shaped; mouth constricted, no terminal feet; vertical tube flared (duck-billed *) ; apical horn present.

*In ""duck-billed"" vertical tube opening is, in fact, circular and the ""duck-bill"" effect is produced by additional skeletal material on the outer edge of the tube.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Neogene Period (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

References:

Nigrini, C. A. (1977). Tropical Cenozoic Artostrobiidae (Radiolaria). Micropaleontology. 23(3): 241-269. gs


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Siphostichartus compiled by the radiolaria@mikrotax project team viewed: 10-12-2024

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205411 Go to Archive.is to create a permanent copy of this page - citation notes



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