Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Histiastrum quadribrachiatus

Protozoa - Spumellaria - Larnacillidae

Taxonomy

No taxonomic data are available

Sister species
H. aster, H. crux, H. irregularis, H. latum, H. membraniferum, H. quaternarium
Sister species lacking formal opinion data
H. irregulare, H. tumeniensis

Synonymy list
No taxonomic opinions are available

Please join the Paleobiology Database and enter some data

RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
orderSpumellariaEhrenberg 1875
familyLarnacillidaeHaeckel 1887
subfamilyHistriastrinaeDumitrica 1989
genusHistiastrumEhrenberg 1847
speciesquadribrachiatus

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: Early/Lower Eocene or 56.00000 to 48.07000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene56.0 - 48.07South Pacific Histiastrum quadribrachiatus (247368)
Early/Lower Eocene - Middle Eocene56.0 - 37.71South Pacific Histiastrum quadribrachiatus (247367)
Eocene - Oligocene56.0 - 23.04South Pacific Histiastrum quadribrachiatus (258855)