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Banksieaephyllum elongatus
Taxonomy
Banksieaephyllum elongatus was named by Hill and Christophel (1988). It is considered to be a form taxon. Its type specimen is Holotype: LY-022, stored in the Department of Plant Science, University of Tasmania., a leaf (Cuticle), and it is a compression fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Banksieaephyllum elongatus Hill and Christophel p. 212 figs. 24-29 |
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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.
†Banksieaephyllum elongatus Hill and Christophel 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill and D. C. Christophel 1988 | Leaves bilateral, pinnately lobed, lobes acute and apically directed. Apical side of lobe usually straight or slightly concave, basal side convex. Apical side of lobe much shorter than basal side. Leaf base cuneate, apex unknown. Leaf length at
least 6 cm, width up to 1 cm. Secondary venation pattern craspedodromous, with a variable number of secondary veins per lobe. Stomata brachyparacytic, superficial. Trichome bases of two types abundant on stomatiferous epidermis. Large trichome bases associated with usually one but sometimes two or three epidermal cells, trichome small, unicellular. Small trichome bases associated with one epidermal cell, trichome basal cell thickly cu tinized, cylindrical, apical cell (s) not preserved. Trichome bases absent from non- stomatiferous epidermis. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Early/Lower Oligocene to the top of the Early/Lower Miocene or 33.90000 to 15.97000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene - Early/Lower Miocene | Australia (Victoria) | Banksieaephyllum elongatus (167312) |