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Ptilophyllum muelleri

Bennettitales

Taxonomy
Ptilophyllum muelleri was named by Ettingshausen (1886) [By McLoughlin et. al. 2011. Lectotype: Since a type specimen was not designated by Ettingshausen (1886) and because his schematic line drawings cannot be related unambiguously to any of the specimens held in the original collections at the Australian Museum, we select AMF59766 (which retains some organic matter and constitutes one of the most complete specimens) as the lectotype. Type locality, unit, and age. Emmaville district, northern New South Wales; unnamed kaolinitic claystone in the Old Rose Lead (paleochannel fill); most probably Oligocene.]. It is considered to be a form taxon. Its type specimen is Lectotype: AMF59766, Australian Museum, Sydney., a leaf, and it is an impression.

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
1886Anomozamites muelleri Ettingshausen
1886Ptilophyllum muelleri Ettingshausen
2011Ptilophyllum muelleri McLoughlin et al.

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
phylumPinophyta
RankNameAuthor
orderBennettitalesBessey 1910
genusPtilophyllumMorris 1840
speciesmuelleriEttingshausen 1886

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 muelleri Ettingshausen 1886
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Invalid names: Anomozamites muelleri Ettingshausen 1886 [synonym]
Diagnosis
ReferenceDiagnosis
S. McLoughlin et al. 2011Pinnate leaf with segments that are elongate-triangular proximally, falcate in midleaf, elongate rhombic near apex, and with a lacriform terminal pinnule. Segment apices forming a blunt point, inclined toward leaf apex. Six to 15 veins of uniform robustness per segment at densities >4 per mm across midpinnule. Veins rarely bifurcating, terminating from midway along basiscopic margin to tip of segment.
Measurements
No measurements are available
No ecological data are available

Age range: Early/Lower Oligocene or 33.90000 to 28.40000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Oligocene33.9 - 28.4Australia (Tasmania) Ptilophyllum muelleri (166832)
Early/Lower Oligocene33.9 - 28.4Australia (New South Wales) Ptilophyllum muelleri (167685)