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Hexastylus

Protozoa - Entactinaria - Hexastylidae

Taxonomy
Hexastylus was named by Haeckel (1881) [Sepkoski's age data: Tr m R Sepkoski's reference number: ZR86]. It is extant. Its type is Acanthosphaera setosa. It is the type genus of Hexastylidae.

It was assigned to Hexastylidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Synonymy list
YearName and author
1881Hexastylus Haeckel
2001Hexastylus De Wever et al. p. 203
2002Hexastylus Sepkoski

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RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
RankNameAuthor
subclassRadiolaria(Müller 1858)
superorderPolycystina(Ehrenberg 1838)
orderEntactinariaKozur and Mostler 1982
familyHexastylidaeHaeckel 1881
genusHexastylusHaeckel 1881

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Hexastylus Haeckel 1881
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†Hexastylus basiporosus Aberdeen 1940
†Hexastylus carnicus Kozur and Mostler 1979
†Hexastylus ferox Deflandre 1960
†Hexastylus grahamensis Kiessling 1999
†Hexastylus montisnigrae Deflandre 1960
Hexastylus setosus Ehrenberg 1873
†Hexastylus uvarius Rüst 1898
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicap
Environment: marinep
Locomotion: passively mobilep
Life habit: planktonicp
Diet: omnivorep
Created: 2005-01-28 01:13:47
Modified: 2005-01-28 03:13:47
Source: p = phylum
Reference: Kiessling 1999

Age range

Maximum range based only on fossils: base of the Julian to the top of the Valanginian or 237.00000 to 132.60000 Ma
Minimum age of oldest fossil (stem group age): 233.6 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Julian237.0 - 233.6Austria H. carnicus (95665)
Late/Upper Aalenian - Bajocian174.7 - 168.2Russian Federation H. sp. (51600)
Early/Lower Bajocian170.9 - 168.6Japan H. tetradactylus (51713)
Middle Callovian165.3 - 161.5Italy H. tetradactylus (53907)
Middle Oxfordian - Early/Lower Kimmeridgian161.5 - 152.21Slovakia H. sp. (53724)
Early/Lower Tithonian149.2 - 145.06Antarctica H. grahamensis (46962) H. sp. A (46966 51827) H. sp. A, H. sp. B, H. grahamensis (46971) H. sp. C (46967) H. sp. C, H. grahamensis (46964 51826)
Middle Tithonian - Late/Upper Tithonian149.2 - 143.1Austria H. sp. (51231)
Late/Upper Tithonian145.06 - 143.1Austria H. uvarius (51204)
Late/Upper Tithonian145.06 - 143.1Antarctica H. sp. A (46969) H. sp. A, H. grahamensis (46968)
Late/Upper Tithonian - Early/Lower Berriasian145.06 - 141.0Austria H. uvarius (51196)
Late/Upper Tithonian - Berriasian145.06 - 137.05Germany H. uvarius (47169)
Early/Lower Berriasian143.1 - 141.0Philippines H. sp. 1, H. sp. 2, H. sp. 3 (51153)
Berriasian143.1 - 137.05Oman H. uvarius (47174 47176)
Berriasian143.1 - 137.05Austria H. sp. (51201)
Valanginian137.05 - 132.6Oman H. uvarius (47179)