| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Azygograptus lapworthi
Taxonomy
Azygograptus lapworthi was named by Nicholson (1875). It is the type species of Azygograptus.
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Azygograptus lapworthi Nicholson |
| 2019 | Azygograptus lapworthi Toro and Herrera Sánchez p. 502 figs. Fig. 3 1–10, 12; Fig. 4. 1–13 |
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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.
†Azygograptus lapworthi Nicholson 1875
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. A. Toro and N. C. Herrera Sánchez 2019 | Single-stipetubarium; th1 (1) originating from the metasicula, growing downwards first or immediately outwards from lower part of the metasicula; stipe either straight or dorsally curved; sicula straight or slightly curved, moderate widening towards aperture; thecae simple, elongated and inclined at low angle to the dorsal margin and with low thecal overlap; prothecal folds in one species. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Dapingian or 471.30000 to 469.40000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dapingian | Argentina (Salta) | Azygograptus lapworthi (214524) | |
| Dapingian | Argentina (Jujuy) | Azygograptus lapworthi (214522 214523 214525) | |
| Dapingian | Bolivia | Azygograptus lapworthi (214526) |