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Smithiphyllum imperfectum
Taxonomy
Spongophyllum imperfectum was named by Smith (1945). It is not extant. It is the type species of Smithiphyllum.
It was recombined as Smithiphyllum imperfectum by Brownlaw and Jell (2008).
It was recombined as Smithiphyllum imperfectum by Brownlaw and Jell (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Spongophyllum imperfectum Smith |
| 2008 | Smithiphyllum imperfectum Brownlaw and Jell p. 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.
†Smithiphyllum imperfectum Smith 1945
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Frasnian or 382.70000 to 372.20000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | Canada (British Colombia-Alberta) | Smithiphyllum imperfectum (40286) | |
| Frasnian | Canada (British Columbia-Alberta) | Smithiphyllum imperfectum (40283 40285) | |
| Frasnian | Canada (Northwest Territories) | Smithiphyllum imperfectum (40143 40144 83803) | |
| Frasnian | Canada (British Columbia) | Smithiphyllum imperfectum (40288 83798) | |
| Frasnian | Canada (Alberta) | Smithiphyllum imperfectum (83698 83700 83723 83743 83744 83745) |