| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphenotreta
Taxonomy
Sphenotreta is a genus. It is not extant. It is the type genus of Sphenotretidae.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Sphenotretidae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Sphenotretidae by Williams et al. (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Sphenotreta Sepkoski |
| 2002 | Sphenotreta Williams et al. p. 1043 |
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.
G. †Sphenotreta
show all | hide all
†Sphenotreta acutirostris Hall 1847
†Sphenotreta sulcata Cooper 1956
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Late/Upper Llandeilo to the top of the Hirnantian or 461.10000 to 443.40000 Ma
Collections (44 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | USA (New York) | Rhynchonella acutirostris (164475) Zygospira acutirostris (42808 56212 56214 56215 171704 171706 171707 171711 171713 171798 172187 172195 172221 172222 172223 172227 172325 172329 172330 172331 172342 172346) | |
| Chazyan | Canada (Quebec) | S. sp. (305 307 311) Zygospira acutirostris (172350) | |
| Chazyan | Canada (Ontario) | Zygospira acutirostris (172204) | |
| Chazyan | USA (Vermont) | Zygospira acutirostris (172202 172203) | |
| Whiterockian | USA (Nevada) | S. sulcata (104390) | |
| Late/Upper Llanvirn | Russian Federation (Siberia) | S. sp. (9222) | |
| Late/Upper Llandeilo | Russian Federation (Siberia) | S. sp. (9228) | |
| Caradoc | USA (Virginia) | Zygospira acutirostris (33934 33935 33936 33937) | |
| Ashbyan | USA (Virginia) | Zygospira acutirostris (33938 33980 33981 33982 33983 33984) | |
| Hirnantian | United Kingdom (England) | S. sp. (80657) |