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Acrotreta sagittalis
Taxonomy
Obolella sagittalis was named by Salter (1865).
It was recombined as Linnarssonia sagittalis by Walcott (1885); it was recombined as Acrotreta sagittalis by Walcott (1902).
It was recombined as Linnarssonia sagittalis by Walcott (1885); it was recombined as Acrotreta sagittalis by Walcott (1902).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Obolella sagittalis Salter p. 285 |
| 1885 | Linnarssonia sagittalis Walcott pp. 115, 116 |
| 1902 | Acrotreta sagittalis Walcott p. 594 |
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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.
†Acrotreta sagittalis Salter 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dyeran | USA (New York) | Acrotreta sagittalis (203403) | |
| Delamaran | Canada (British Columbia) | Acrotreta sagittalis (50544 225278) | |
| Menevian | United Kingdom (Wales) | Linnarssonia sagittalis (193782 198942) | |
| Marjumian | USA (Utah) | Acrotreta sagittalis (232932) |