| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cryptograptus schaferi
Taxonomy
Cryptograptus tricornis schaferi was named by Carruthers (1859).
It was recombined as Cryptograptus schaferi by Bulman (1933) and Skwarko (1962).
It was recombined as Cryptograptus schaferi by Bulman (1933) and Skwarko (1962).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Cryptograptus tricornis schaferi Carruthers |
| 1880 | Cryptograptus tricornis schaferi Lapworth |
| 1933 | Cryptograptus schaferi Bulman p. 452 |
| 1962 | Cryptograptus schaferi Skwarko p. 225 |
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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.
†Cryptograptus schaferi Carruthers 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Hendy et al. 2009, Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Darriwilian to the top of the Whiterockian or 467.30000 to 457.30000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | Canada (Newfoundland and Labrador) | Cryptograptus schaferi (104858 104860) | |
| Darriwilian | New Zealand | Cryptograptus schaferi (63276 63957 63958 63963 63966 63971) | |
| Sandbian | United Kingdom (Wales) | Cryptograptus schaferi (206522) | |
| Gisbornian | New Zealand | Cryptograptus schaferi (63961 63965 63967) | |
| Caradoc | USA (Alaska) | Cryptograptus schaferi (114852) |