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Cyathea siwalika

Polypodiopsida - Cyatheales - Cyatheaceae

Taxonomy
Cyathea siwalika was named by Bera et al. (2014). It is not extant. Its type specimen is Department of Botany, University of Calcutta, CUH/PPL/IB7/TF/1 (stem fragment). Its type locality is Chander Nagar-Gohpur Road cutting, Itanagar, which is in a Pliocene/Pleistocene fluvial shale in the Kimin Formation of India.

Sister species lacking formal opinion data
C. inequilateralis, C. stavensis

Synonymy list
YearName and author
2014Cyathea siwalika Bera et al.

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
subclassPolypodiidae()
RankNameAuthor
orderCyathealesPryor et al. 1995
familyCyatheaceaeKaulfuss 1827
genusCyatheaSmith 1793
speciessiwalika

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.

†Cyathea siwalika Bera et al. 2014
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Diagnosis
No diagnoses are available