| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Asaphus quadraticaudatus was named by Billings (1865) [Lectotype selected by Whittington 1965]. Its type specimen is GSC 654 (lectotype), a pygidium, and it is a mold.
It was recombined as Niobe quadraticaudata by Raymond (1925).
It was recombined as Niobe quadraticaudata by Raymond (1925).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Asaphus quadraticaudatus Billings p. 272 fig. 258 |
| 1925 | Niobe quadraticaudata Raymond p. 76 figs. Plate 3, fig. 20; Plate 6, fig. 13 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Niobe quadraticaudata Billings 1865
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: g = genus, f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Hendy et al. 2009 | |||||
Age range: base of the to the top of the Whiterockian or 470.30000 to 457.30000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rangerian | USA (Nevada) | Niobe quadraticaudata (297 104453) | |
| Chazyan | Canada (Newfoundland and Labrador) | Niobe quadraticaudata (104861) Niobella quadraticaudatus (104805 104807) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Niobe quadraticaudata (104862 104868) Niobella quadraticaudatus (104809 104813 104817 104856 104857 104864) |