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Weinmanniaphyllum bernardii
Taxonomy
Weinmanniaphyllum bernardii was named by Carpenter and Buchanan (1993) [Type locality: Cethana, Tasmania.
Specimens examined: C-033, 060, 138, 356, 377, 638, 639, 645, 663, 664.]. It is considered to be a form taxon. Its type specimen is Holotype: C-377, housed in the Department of Plant Science, University of Tasmania., a sterile axis, and it is an impression. Its type locality is Cethana Dam, which is in an Oligocene lagoonal siltstone/sandstone in Australia. It is the type species of Weinmanniaphyllum.
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Weinmanniaphyllum bernardii Carpenter and Buchanan p. 95 figs. 23-25, 30 |
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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.
†Weinmanniaphyllum bernardii Carpenter and Buchanan 1993
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. J. Carpenter and A. M. Buchanan 1993 | Leaves with up to at least 12 pairs of lateral leaflets. Lateral leaflets symmetrical, elliptic, with acute apex and base and regular serrations with acute apical angles. Serrations usually straight on the apical side and convex basally with an angular sinus. Number of serrations usually 15. Winged petiole region ovoid but sometimes asymmetrical. Primary vein of moderate size and straight. Secondary veins usually alternate, arising at 60-80° from the primary vein, the most basal pair more acute than the pairs above it. Number of secondary veins about 18. Principal serration vein eccentric toward the apical margin and deflected. Tertiary veins reticulate. Terminal leaflet elongated by a factor of about 1.5, and with about twice the number of serrations and veins as lateral leaflets. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Early/Lower Oligocene or 33.90000 to 28.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | Australia (Tasmania) | Weinmanniaphyllum bernardii (type locality: 166832) |