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Ptilophyllum acutifolium

Bennettitales

Taxonomy
Ptilophyllum acutifolium was named by Morris (1840) [(Morris) Bose & Kasat 1972]. It is not extant.

Sister species lacking formal opinion data
P. angustus, P. columbianum, P. grandifolium, P. hirsutum, P. hirtum, P. montanense, P. rigidum

Synonyms
Synonymy list
YearName and author
1840Ptilophyllum acutifolium Morris
1850Zamia theobaldii McClelland
1863Palaeozamia acutifolium Morris
1863Palaeozamia rigida Oldham
1976Ptilophyllum acutifolium Lakhanpal et al.
1991Ptilophyllum acutifolium Chandra and Tewari
2022Ptilophyllum acutifolium Santos et al. p. 10

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
phylumPinophyta
RankNameAuthor
orderBennettitalesBessey 1910
genusPtilophyllumMorris 1840
speciesacutifoliumMorris 1840

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.

†Ptilophyllum acutifolium Morris 1840
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Invalid names: Palaeozamia acutifolium Morris 1863 [synonym], Palaeozamia rigida Oldham 1863 [synonym], Zamia theobaldii McClelland 1850 [synonym]
Diagnosis
No diagnoses are available