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Histiastrum

Polycystinea - Spumellaria - Larnacillidae

Taxonomy
Histiastrum was named by Ehrenberg (1847) [Sepkoski's age data: K Vala-l R]. It is not extant. Its type is Histiastrum quaternarium. It is the type genus of Histriastrinae.

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

Species
H. aster, H. crux, H. irregularis, H. latum, H. membraniferum, H. quaternarium (type species)
Species lacking formal opinion data
H. irregulare, H. quadribrachiatus, H. tumeniensis
Entered
by J. Sepkoski on 2003-01-23; modified by B. Allen on 2024-03-22

Synonymy list
YearName and author
1847Histiastrum Ehrenberg
2001Histiastrum De Wever et al. p. 157
2002Histiastrum Sepkoski

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
superphylumRetariaCavalier-Smith 1999
phylumRadiozoa
superclassPolycystinia
RankNameAuthor
classPolycystinea
orderSpumellariaEhrenberg 1875
familyLarnacillidaeHaeckel 1887
subfamilyHistriastrinaeDumitrica 1989
genusHistiastrumEhrenberg 1847

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. †Histiastrum Ehrenberg 1847
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†Histiastrum aster Lipman 1952
†Histiastrum crux Lipman 1952
†Histiastrum irregularis Lipman 1952
†Histiastrum latum Lipman 1960
Histiastrum quaternarium Ehrenberg 1874
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range

Maximum range based only on fossils: base of the Late/Upper Albian to the top of the Early/Lower Eocene or 106.30000 to 48.07000 Ma
Minimum age of oldest fossil (stem group age): 100.5 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Albian106.3 - 100.5Poland H. aster (95783)
Turonian93.9 - 89.8Russian Federation (Moskovskaya Oblast) H. sp., H. latum (95912)
Coniacian89.8 - 85.7Russian Federation (Moskovskaya Oblast) H. aster (95982) H. aster, H. membraniferum, H. latum (95913)
Late/Upper Coniacian89.8 - 85.7Germany (Bayern) H. aster (95842)
Coniacian - Santonian89.8 - 83.6Russian Federation (Moskovskaya Oblast) H. aster (95995)
Coniacian - Santonian89.8 - 83.6Russian Federation (Bryansk) H. latum (95992)
Late/Upper Coniacian - Early/Lower Santonian89.8 - 83.6Russian Federation (Vladimir) H. aster, H. latum (95985)
Late/Upper Coniacian - Early/Lower Santonian89.8 - 83.6Russian Federation (Moskovskaya Oblast) H. membraniferum (95980)
Early/Lower Santonian85.7 - 83.6Russian Federation (Moskovskaya Oblast) H. membraniferum (95977)
Late/Upper Santonian85.7 - 83.6Russian Federation (Moskovskaya Oblast) H. latum (95978)
Santonian85.7 - 83.6Russian Federation (Tambov) H. aster, H. irregularis (95160) H. irregularis (95162) H. tumeniensis, H. aster (95161)
Santonian85.7 - 83.6Russian Federation (Vladimir) H. aster (95994)
Santonian85.7 - 83.6Russian Federation (Moskovskaya Oblast) H. aster, H. crux (95983)
Late/Upper Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Moskovskaya Oblast) H. irregulare, H. aster, H. membraniferum (95981)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Vladimir) H. crux, H. irregularis (95986)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Tambov) H. aster (95158) H. crux, H. irregularis, H. membraniferum (95159)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Oryol) H. aster (95163)
Early/Lower Campanian83.6 - 72.2Poland H. aster (95794)
Early/Lower Eocene56.0 - 48.07South Pacific H. quadribrachiatus (247368)
Early/Lower Eocene - Middle Eocene56.0 - 37.71South Pacific H. quadribrachiatus (247367)
Eocene - Oligocene56.0 - 23.04South Pacific H. quadribrachiatus (258855)