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Psygmophyllum hollandii

Taxonomy
Psygmophyllum hollandii was named by Seward (1907). It is not extant. Its type locality is Zewan Spur, which is in a Cisuralian fluvial-lacustrine horizon in India.

Sister species lacking formal opinion data
P. cuneifolium, P. expansum, P. mongolicum, P. P. multipartitum, P. vesnjankianum

Synonymy list
YearName and author
1907Psygmophyllum hollandii Seward
1976Psygmophyllum hollandii Lakhanpal et al.

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
RankNameAuthor
phylumGinkgophytaBessey 1907
genusPsygmophyllumSchimper 1870
specieshollandiiSeward 1907

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.

†Psygmophyllum hollandii Seward 1907
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Diet: "photoautotroph"superp
Created: 2026-03-30 14:38:16
Modified: 2026-03-30 19:38:16
Source: superp = superphylum
Reference: Kenrick and Crane 1997

Age range: Cisuralian or 298.90000 to 274.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Cisuralian298.9 - 274.4India (Jammu & Kashmir) Psygmophyllum hollandii (type locality: 225878)