| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Quadrithyris
Taxonomy
Quadrithyris was named by Havlicek (1957) [Sepkoski's age data: D Gedi-u D Give-l Sepkoski's reference number: 25]. It is not extant. It is the type genus of Quadrithyridinae.
It was reranked as Delthyris (Quadrithyris) by Havlicek (1959).
It was assigned to Delthyris by Havlicek (1959); to Spiriferida by Sepkoski (2002); and to Quadrithyridinae by Williams et al. (2006).
It was reranked as Delthyris (Quadrithyris) by Havlicek (1959).
It was assigned to Delthyris by Havlicek (1959); to Spiriferida by Sepkoski (2002); and to Quadrithyridinae by Williams et al. (2006).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Quadrithyris Havlicek |
| 1959 | Delthyris (Quadrithyris) Havlicek |
| 2002 | Quadrithyris Sepkoski |
| 2006 | Quadrithyris Williams et al. p. 1863 |
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. †Quadrithyris Havlicek 1957
show all | hide all
†Quadrithyris minuens Barrande 1879
†Quadrithyris vijaicus Khodalevich 1951
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Paadla to the top of the Late/Upper Eifelian or 426.70000 to 387.95000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paadla | Estonia | Q. sinuata (175080) | |
| Paadla | Estonia (Saare) | Q. sinuata (206962) | |
| Pridoli | Kazakhstan | Q. jakovlevi (13973) | |
| Pridoli - Helderbergian | Australia (New South Wales) | Q. sp. (24903) | |
| Lochkovian | USA (Nevada) | Q. minuens (164824) | |
| Lochkovian | Russian Federation (Sverdlovskaya Oblast) | Q. minuens (81749) | |
| Lochkovian | Australia (New South Wales) | Q. robusta (24900) Q. robusta, Q. sp. (24907) Q. sp. (25706) | |
| Lochkovian - Pragian | Russian Federation | Q. sp. (24737) | |
| Early/Lower Devonian | Czech Republic (Barrandia) | Q. orba (12183) | |
| Helderbergian - Emsian | Austria | Q. sp. (26203) | |
| Lochkovian - Emsian | Austria (Carnic Alps) | Q. carinthiaca, Q. koegeleri, Q. falco, Q. kotysensis, Q. robusta, Q. tiro (77909) | |
| Pragian | China (Guangxi) | Q. robusta (12928) | |
| Pragian | Czech Republic | Q. robusta, Q. kotysensis (12101) | |
| Pragian | Canada (Nunavut) | Q. sp. (26652) | |
| Pragian | USA (Nevada) | Q. sp. (595) | |
| Pragian | Czech Republic (Prague) | Q. tiro, Q. robusta, Q. falco, Q. minuens (12071) | |
| Pragian | Australia (New South Wales) | Q. robusta, Q. sp. (25696) | |
| Siegen | USA (Nevada) | Q. minuens (164726 164730) | |
| Pragian - Early/Lower Emsian | Italy | Q. orba, Q. koegeleri, Q. tiro (26245) Q. tiro (26255) | |
| Early/Lower Emsian | China (Guangxi) | Q. sp. (25866) | |
| Early/Lower Emsian | Czech Republic (Praha) | Q. orba (5804) | |
| Early/Lower Emsian | Morocco | Q. termierae (150334 150361) | |
| Emsian | Czech Republic | Q. sobrina, Q. orba (5783) | |
| Emsian | Germany (Hessen) | Q. sp. (38349) | |
| Eifelian | USA (Nevada) | Delthyris vijaicus (5295 5296) Q. vijaicus (3826 3830) | |
| Late/Upper Eifelian | Morocco (Maider) | Q. macrorhyncha (234962) |