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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Witchellia sutneroides
Taxonomy
Witchellia sutneroides was named by Westermann (1969). Its type specimen is USNM 160243, a shell, and it is a 3D body fossil. Its type locality is USGS Mesozoic 21251, Wide Bay, which is in a Bajocian marine shale in the Kialagvik Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Witchellia sutneroides Westermann p. 116 figs. Pls 28-31; text-figs 36-38,40-41 |
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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.
†Witchellia sutneroides Westermann 1969
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 32.5 | 19.0 | 50.2 | 32.5 | 11.6 | |
| shell diameter | 8 | 83.5 | 50.0 | 152.0 | 78.0 | 34.8 | |
| shell inflation | 8 | 27.5 | 16.0 | 61.6 | 26.5 | 14.6 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Bajocian or 171.60000 to 168.40000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | USA (Alaska) | Witchellia sutneroides (175614 175620 type locality: 175622 175650 175651 175665 175673) | |
| Laeviuscula | USA (Alaska) | Witchellia sutneroides (175621) |