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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Healdia winfieldensis
Taxonomy
Healdia winfieldensis was named by Upson (1933).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Healdia winfieldensis Upson p. 28 figs. Pl 2, figs 10a-c |
| 1935 | Healdia winfieldensis Kellett p. 143 figs. Pl 16, figs 5a-d |
| 1988 | Healdia winfieldensis Melnyk and Maddocks p. 31 |
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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 winfieldensis Upson 1933
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.340 | |||||
| valve height | 1 | 0.300 |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: base of the Gzhelian to the top of the Artinskian or 303.70000 to 279.30000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | USA (Kansas) | Healdia winfieldensis (95377 132990 132991 133137 133138 133149 133158) | |
| Asselian | USA (Kansas) | Healdia winfieldensis (95378 95379 110321) | |
| Sakmarian | USA (Kansas) | Healdia winfieldensis (88235 93781 95375) | |
| Artinskian | USA (Kansas) | Healdia winfieldensis (110316) |