| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acrograptus
Taxonomy
Acrograptus is a genus. It is not extant.
It was assigned to Graptoloidea by Sepkoski (2002); and to Sigmagraptinae by Toro (1993), Vento et al. (2012).
It was assigned to Graptoloidea by Sepkoski (2002); and to Sigmagraptinae by Toro (1993), Vento et al. (2012).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Acrograptus Toro p. 74 |
| 2002 | Acrograptus Sepkoski |
| 2012 | Acrograptus Vento et al. p. 353 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. A. Toro 1993 | Sigmagraptínidos con estipes de segundo orden, horizontales a fuertemente declinados, delgados en el extremo proximal, que alcanzan 0,5 mm de ancho máximo (sensu Cooper y Fortey, 1982). |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Floian to the top of the Early/Lower Llanvirn or 477.10000 to 461.10000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Argentina (Jujuy) | A. gracilis (238721) | |
| Lancefieldian - Bendigonian | Australia (Tasmania) | Didymograptus gracilis (211106) | |
| Floian | Russian Federation (Siberia) | A. cognatus, A. sp. (205381) A. pusillus, A. balticus (205382) | |
| Floian | Argentina (Jujuy) | A. gracilis (214961 220286) | |
| Arenig | Canada (Yukon) | A. gracilis (204034) | |
| Arenig | Argentina | A. sp. (8777 8869) | |
| Arenig | United Kingdom (England) | A. sp. (3706) | |
| Chewtonian - Castlemainian | USA (Idaho) | Didymograptus gracilis (145223) | |
| Dapingian | Russian Federation (Siberia) | A. cognatus (206146 206147) A. nicholsoni (205387) A. sp. (205380 205563) | |
| Darriwilian | Russian Federation (Siberia) | A. sp. (205379 206161) | |
| Early/Lower Llanvirn | United Kingdom (England) | A. sp. (3707) | |
| Oretanian | Spain (Salamanca) | A. affinis (21092) | |
| Oretanian | Spain (Toledo) | A. sp. (20898) |