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Holodiscus elliptica
Taxonomy
Holodiscus elliptica was named by Axelrod (1939). Its type specimen is UCMP 1456 and is a 3D body fossil. Its type locality is Cache Peak (P-3643), which is in a Hemingfordian/Barstovian terrestrial horizon in the Bopesta Formation of California.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1939 | Holodiscus elliptica Axelrod p. 107 figs. Plate S, figure 15 |
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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.
†Holodiscus elliptica Axelrod 1939
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Diagnosis
Reference | Diagnosis | |
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D. I. Axelrod 1939 | Elliptical in outline, with an obtuse apex and a cuneate base; 3.1 cm. long and 1.8 cm. wide; petiole 4 mm. long, stout; midrib heavy and straight; 8 pairs of strong subopposite secondaries, departing at 50°, paralleling one another, running into the teeth; tertiaries thin, fine, forming an irregular mesh; margin entire below and dentate above, with the very tip serrate; texture firm. |
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2009 |
Age range: base of the Hemingfordian to the top of the Barstovian or 20.43000 to 13.60000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Hemingfordian - Barstovian | USA (California) | Holodiscus elliptica (type locality: 19206) |