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Protocalamostachys

Polypodiopsida - Equisetales

Taxonomy
Protocalamostachys was named by Walton (1949). It is not extant. Its type is Protocalamostachys arranensis.

It was assigned to Equisetales by Andrews (1970).

Species
P. arranensis (type species)

Synonymy list
YearName and author
1949Protocalamostachys Walton
1970Protocalamostachys Andrews

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
RankNameAuthor
subclassEquisetidaeWarm 1883
orderEquisetalesDumortier 1829
genusProtocalamostachysWalton 1949

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. †Protocalamostachys Walton 1949
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Tournaisian to the top of the Asbian or 358.86000 to 335.90000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Tournaisian358.86 - 346.7United Kingdom (Scotland) P. sp. (10673 36224)
Visean346.7 - 330.3United Kingdom (Scotland) P. arranensis (21319)
Asbian339.9 - 335.9United Kingdom (Scotland) P. pettycurensis (10646 35920)