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Leioproductus defessa
Taxonomy
Avonia defessa was named by Stainbrook (1947) [Holotype was originally M.A.S. 1612.]. Its type specimen is USNM 135255 and is a 3D body fossil.
It was recombined as Leioproductus defessa by Cooper and Dutro (1982).
It was recombined as Leioproductus defessa by Cooper and Dutro (1982).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Avonia defessa Stainbrook p. 309 figs. pl. 46 f. 6-7 |
| 1982 | Leioproductus defessa Cooper and Dutro p. 64 |
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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.
†Leioproductus defessa Stainbrook 1947
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Late/Upper Famennian or 365.20000 to 358.86000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | USA (New Mexico) | Avonia defessa (231554) | |
| Late/Upper Famennian | Canada (Alberta) | Avonia defessa (35544) |