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Banksieaephyllum attenuatum

Angiospermae - Proteales - Proteaceae

Taxonomy
Banksieaephyllum attenuatum was named by Hill and Christophel (1988). It is considered to be a form taxon. Its type specimen is Holotype: LA-005, stored in the Department of Plant Science, University of Tasmania., a leaf (Cuticle), and it is a compression fossil. Its type locality is Loch Aber - Banksieae, which is in an Eocene/Eocene terrestrial mudstone in Australia.

Synonymy list
YearName and author
1988Banksieaephyllum attenuatum Hill and Christophel p. 210 figs. 14-18

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classAngiospermae
—Mesangiosperms
—EudicotsDoyle and Hotton 1991
RankNameAuthor
orderProtealesJussieu 1829
familyProteaceaede Jussieu 1789
genusBanksieaephyllumCookson and Duigan 1950
speciesattenuatum

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 attenuatum Hill and Christophel 1988
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Diagnosis
ReferenceDiagnosis
R. S. Hill and D. C. Christophel 1988Leaves bilateral, serrate. Serrations small, with rounded apex and sinus. Leaf base cuneate, apex attenuate. Leaf length at least 6 cm, width up to 1.5 cm. Secondary venation craspedodromous, one secondary vein per serration. Intersecondary veins prominent, common. Stomata brachyparacytic, superficial. Trichome bases associated with two to six epidermal cells common on stomatiferous epidermis. Trichomes bicellular, basal trichome cell thickly cutinized, cylindrical, apical trichome cell thinly cutinized, tapering. Trichome bases not observed on non-stomatiferous epidermis.
Measurements
No measurements are available
Diet: "photoautotroph"p
Created: 2011-07-22 00:04:15
Modified: 2011-07-21 09:04:15
Source: p = phylum
Reference: Kiessling 2009

Age range: base of the Middle Eocene to the top of the Late/Upper Eocene or 48.07000 to 33.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Eocene - Late/Upper Eocene48.07 - 33.9Australia (Tasmania) Banksieaephyllum attenuatum (type locality: 167310)