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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Helokybe spio was named by Thomas and Narbonne (1979). Its type specimen is GSC 56034 and is a 3D body fossil. Its type locality is GSC 95231. Goodsir Creek, Cornwallis Island, which is in a Ludfordian shallow subtidal mudstone/wackestone in the Read Bay Formation of Canada. It is the type species of Helokybe.
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Helokybe spio Thomas and Narbonne pp. 5 - 6 figs. PI. 2, figs, a-j, m-o |
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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.
†Helokybe spio Thomas and Narbonne 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Ludfordian or 425.60000 to 423.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | Canada (Nunavut) | Helokybe spio (23082) | |
| Ludfordian | Canada (Nunavut) | Helokybe spio (type locality: 229371 229372) |