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Acrograptus gracilis
Taxonomy
Didymograptus gracilis was named by Törnquist (1891).
It was recombined as Acrograptus gracilis by Cooper and Fortey (1982), Vento et al. (2012).
It was recombined as Acrograptus gracilis by Cooper and Fortey (1982), Vento et al. (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Didymograptus gracilis Törnquist p. 17 figs. pl. 1 f. 9-12 |
| 1947 | Didymograptus gracilis Ruedemann p. 334 figs. pl. 57 f. 1-6 |
| 1982 | Acrograptus gracilis Cooper and Fortey p. 272 figs. 66c-g |
| 2012 | Acrograptus gracilis Vento et al. p. 354 figs. 5F-G |
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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.
†Acrograptus gracilis Törnquist 1891
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Floian or 477.10000 to 471.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Argentina (Jujuy) | Acrograptus gracilis (238721) | |
| Lancefieldian - Bendigonian | Australia (Tasmania) | Didymograptus gracilis (211106) | |
| Floian | Argentina (Jujuy) | Acrograptus gracilis (214961 220286) | |
| Arenig | Canada (Yukon) | Acrograptus gracilis (204034) | |
| Chewtonian - Castlemainian | USA (Idaho) | Didymograptus gracilis (145223) |