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Libocedrus balfourensis
Taxonomy
Libocedrus balfourensis was named by Paull and Hill (2009) [Specimens examined (41). B-018–027, 111, 112, 136–140, 328–331, 571, 572, 575, 576, 578–580, 750–754, 821, 832, 833– 837, 839.]. It is considered to be a form taxon. Its type specimen is Holotype: B-750 stored in the School of Earth and Environmental Sciences, the University of Adelaide, South Australia., a sterile axis (Cuticle), and it is a compression fossil. Its type locality is Balfour, which is in an Oligocene/Miocene terrestrial horizon in Australia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Libocedrus balfourensis Paull and Hill p. 387 figs. 7, 8, 9 a-h |
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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.
†Libocedrus balfourensis Paull and Hill 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. Paull and R. S. Hill 2009 | Lateral leaves larger than facial, bilaterally flattened, loosely to tightly imbricate, fused for about one-third their length, ventral surface convex, dorsal surface concave, bases slightly papillate, margins entire, well-defined band of epidermal cells between stomatal area and leaf margin. Facial leaves with frilled margins, leaf apices reaching leaf pair above. Amphistomatic. Numerous closely packed stomata in well-defined depressions in central section of dorsal leaf surface, fewer on ventral leaf surfaces. Internal epidermal cell surface with slightly coarse-grained texture. Exposed areas often containing small nodules. Florin rings high ridged, lobed, and surrounded by numerous, often round, papillae. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Early/Lower Oligocene to the top of the Early/Lower Miocene or 33.90000 to 15.98000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene - Early/Lower Miocene | Australia (Tasmania) | Libocedrus balfourensis (type locality: 167684) |