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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Phyllocladus aberensis
Taxonomy
Phyllocladus aberensis was named by Hill (1989). It is not extant. It is considered to be a form taxon. Its type specimen is LRR1-951, a leaf. Its type locality is Little Rapid River 2, which is in an Oligocene lacustrine mudstone/sandstone in Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Phyllocladus aberensis Hill pp. 204-206 figs. 4I-L, U, 5E, F, 6C, D |
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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.
†Phyllocladus aberensis Hill 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill 1989 | Phylloclades about 20-40 mm long, 9-25 mm wide, sometimes narrowing towards a short, stalk-like region; margins entire or lobed, the lobes tending to be more prominent toward the base; veins numerous, diverging obliquely from the midrib. Phylloclades hypostomatic, or with a few stomates on the upper surface. Stomates on the lower surface arranged in more or less parallel longitudinal rows. Florin ring with an unlobed ridge, surrounded by a wide peripheral groove with shallow sloping walls on both sides. Outer cuticular surface between Florin rings smooth. Cuticle covering subsidiary cells smooth, cuticle covering epidermal cells relatively granular. |
Measurements
No measurements are available
No ecological data are available
Age range: Late/Upper Oligocene or 28.40000 to 23.03000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oligocene | Australia (Tasmania) | Phyllocladus aberensis (type locality: 167317) |