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Healdia cuneata
Taxonomy
Healdia cuneata was named by Coryell and Billings (1932). It is a 3D body fossil. Its type locality is Wayland Shale, near Cisco TX, Ostracoda, which is in a Pennsylvanian offshore shale in the Graham Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Healdia cuneata Coryell and Billings p. 178 figs. Pl 18, fig 14 |
| 1935 | Healdia cuneata Kellett p. 143 figs. Pl 16, figs 6a,b |
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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.
†Healdia cuneata Coryell and Billings 1932
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.220 | |||||
| valve height | 1 | 0.200 |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: Gzhelian or 303.70000 to 298.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pennsylvanian | USA (Texas) | Healdia cuneata (type locality: 210784) | |
| Gzhelian | USA (Kansas) | Healdia cuneata (132993) |