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Taxonomy
Quadratoproetus was named by Alberti (1967) [Sepkoski's age data: D Emsi-u Sepkoski's reference number: 1106]. It is not extant.
It was assigned to Proetida by Sepkoski (2002); to Tropidocoryphidae by Jell and Adrain (2002); and to Cornuproetinae by van Viersen et al. (2012).
It was assigned to Proetida by Sepkoski (2002); to Tropidocoryphidae by Jell and Adrain (2002); and to Cornuproetinae by van Viersen et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Quadratoproetus Alberti |
| 2002 | Quadratoproetus Jell and Adrain p. 437 |
| 2002 | Quadratoproetus Sepkoski |
| 2012 | Quadratoproetus van Viersen et al. p. 86 |
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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.
G. †Quadratoproetus Alberti 1967
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†Quadratoproetus maureri Alberti 1967
†Quadratoproetus pygolf Šnajdr 1980
†Quadratoproetus quadratus Maurer 1885
†Quadratoproetus subfrontalis Whidborne 1889
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Fortey and Owens 1999, Hendy 2009 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Devonian | Czech Republic (Barrandia) | Q. pygolf (12183) | |
| Daleje - Eifelian | Czech Republic | Q. pygolf (10469) | |
| Eifelian | Germany (Hessen) | Q. maureri (229648) | |
| Eifelian | Belgium (Chimay) | Q. sp. A (229199) | |
| Givetian | United Kingdom (England) | Proetus subfrontalis (129878) | |
| Middle Givetian | Germany | Cornuproetus quadratus (229647) |