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Azygograptus
Taxonomy
Azygograptus was named by Nicholson and Lapworth (1875) [Sepkoski's age data: O Aren-l O Llde-u Sepkoski's reference number: 311]. Its type is Azygograptus lapworthi.
It was assigned to Didymograpti by Bulman (1970); to Graptoloidea by Sepkoski (2002); and to Sigmagraptidae by Toro and Herrera Sánchez (2019).
It was assigned to Didymograpti by Bulman (1970); to Graptoloidea by Sepkoski (2002); and to Sigmagraptidae by Toro and Herrera Sánchez (2019).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Azygograptus Nicholson and Lapworth |
| 1951 | Nicholsonograptus Boucek and Pribyl |
| 1970 | Azygograptus Bulman p. V116 |
| 2002 | Azygograptus Sepkoski |
| 2002 | Nicholsonograptus Sepkoski |
| 2002 | Pseudazygograptus Sepkoski |
| 2019 | Azygograptus Toro and Herrera Sánchez p. 502 |
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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.
G. †Azygograptus Nicholson and Lapworth 1875
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†Azygograptus ellesi Monsen 1937
†Azygograptus lapworthi Nicholson 1875
†Azygograptus novozealandicus Skwarko 1962
Invalid names: Nicholsonograptus Boucek and Pribyl 1951 [synonym], Pseudazygograptus [synonym]
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: base of the Dawan to the top of the Hirnantian or 478.80000 to 443.10000 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | China (Sichuan) | A. sp. (7681) | |
| Dawan | China (Sichuan) | A. sp. (7661) | |
| Dawan | China (AnHui) | A. sp. (7863) | |
| Dawan | China (Hubei) | A. sp. (7727) | |
| Ningkuo | China (ZheJiang) | Nicholsonograptus sp. (7783 7799 7811) | |
| Ningkuo | China (JiangXi) | A. sp. (7763 7764) Nicholsonograptus sp. (7755 7762) | |
| Floian | Morocco (Zagora) | A. sp. (182906) | |
| Arenig | China (Guizhou) | A. sp. (4761 5261 5263 7348 7350) | |
| Arenig | China (ShanXi) | A. sp. (7887) | |
| Arenig | China (Sichuan) | A. sp. (5407 5409 7649 7662) | |
| Arenig | Morocco | A. sp. (20979) | |
| Arenig | China (Hubei) | A. sp. (4718 4719 4720) | |
| Arenig | China (AnHui) | A. sp. (7842) | |
| Arenig | Sweden | A. sp. (3197) | |
| Arenig | China (GuangDong) | Nicholsonograptus sp. (4678) | |
| Dapingian | China (Hubei) | A. suecicus (203701) | |
| Dapingian | Bolivia | A. lapworthi (214526) | |
| Dapingian | Argentina (Salta) | A. lapworthi (214524) | |
| Dapingian | Argentina (Jujuy) | A. lapworthi (214522 214523 214525) | |
| Volkhov | Lithuania | A. ellesi (207284 207287) | |
| Sarka | Czechia | Nicholsonograptus fasciculatus (3857) | |
| Darriwilian | New Zealand | A. fasciculatus (63964 63970 63971) A. fasciculatus, A. novozealandicus (63963) | |
| Oretanian | Spain (Toledo) | Nicholsonograptus sp. (20898) | |
| Llanvirn | China (Hunan) | Nicholsonograptus sp., Pseudazygograptus sp. (7699) | |
| Late/Upper Llanvirn | Norway | A. sp. (3179) | |
| Gisbornian | New Zealand | A. fasciculatus (63956 63969) A. fasciculatus, A. novozealandicus (63960 63961 63965 63967) | |
| Wufeng - Hirnantian | China (Hubei) | Nicholsonograptus sp. (7721) |