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Hafniasphaera australis

Dinophyceae - Gonyaulacales - Gonyaulacaceae

Taxonomy
Hafniasphaera australis was named by Guler et al. (2005). Its type specimen is UNSLP 3427-1 37.1/95, an other (Cyst), and it is a 3D body fossil. Its type locality is Estancia 25 de Mayo (VG6), which is in a Maastrichtian coastal sandstone/mudstone in the Calafate Formation of Argentina.

Sister species lacking formal opinion data

Synonymy list
YearName and author
2005Hafniasphaera australis Guler et al. p. 425

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RankNameAuthor
Life
Eukaryota()
Chromalveolata
Alveolata
Myzozoa
subphylumDinozoa
RankNameAuthor
superclassDinoflagellata
classDinophyceae
orderGonyaulacales
familyGonyaulacaceae
genusHafniasphaeraHansen 1977
speciesaustralis

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.

Hafniasphaera australis Guler et al. 2005
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Diagnosis
ReferenceDiagnosis
M. V. Guler et al. 2005A species of Hafniasphaera with spherical to subspherical, thick-walled central body, containing densely distributed vesicles about 0.5 µm in diameter. Gonal processes trifurcate, bifid with a prominent anterior ventral process emerging from the junction of the 1’, 4’ and as paraplates.
Measurements
No measurements are available
No ecological data are available

Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Hafniasphaera australis (type locality: 232642)