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Dacrydium aciculare
Taxonomy
Dacrydium aciculare was named by Wells and Hill (1989) [Type locality. Upper mudstone unit, Little Rapid River.
Specimens examined. LRR1-441, 482.]. It is considered to be a form taxon. Its type specimen is LRR1-441, Department of Plant Science, University of Tasmania., a leaf (Cuticle), and it is a compression fossil. Its type locality is Little Rapid River 1, which is in an Oligocene fluvial-lacustrine mudstone in Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Dacrydium aciculare Wells and Hill p. 410 figs. 65-67 |
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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.
†Dacrydium aciculare Wells and Hill 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. M. Wells and R. S. Hill 1989 | Foliage uniform; leaves long, slightly decurrent, strongly keeled, awl-shaped needles, 4-8 mm long, 0.4-0.6 mm wide. Apex acute, straight. Margin entire. Cuticle with uniseriate rows of amphicyclic stomata at least 5 rows per stomatal band, epidermal cells arranged in longitudinal parallel files, anticlinal walls extremely sinuous. |
Measurements
No measurements are available
No ecological data are available
Age range: Early/Lower Oligocene or 33.90000 to 27.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | Australia (Tasmania) | Dacrydium aciculare (type locality: 166705) |