Siphostichartus


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

neptune records: 949

neptune records: 18

neptune records: 2

Taxonomy

Citation: Siphostichartus Nigrini 1977
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 Piacenzian Stage (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range 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: 29-9-2020

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Short stable page link: http://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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