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Quinquecaudex
Taxonomy
Quienquecaudex was named by Brower and Veinus (1982) [Sepkoski's age data: O Cara-l O Ashg-l Sepkoski's reference number: 239].
It was corrected as Quinquecaudex by Ausich (1998), Sepkoski (2002).
It was assigned to Dendrocrinidae by Brower and Veinus (1982), Brower (1995); to Cupulocrinidae by Ausich (1998); and to Cladida by Sepkoski (2002).
It was corrected as Quinquecaudex by Ausich (1998), Sepkoski (2002).
It was assigned to Dendrocrinidae by Brower and Veinus (1982), Brower (1995); to Cupulocrinidae by Ausich (1998); and to Cladida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Quienquecaudex Brower and Veinus |
| 1995 | Quienquecaudex Brower p. 958 |
| 1998 | Quinquecaudex Ausich p. 21 |
| 2002 | Quinquecaudex Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Hendy et al. 2009, Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Middle Ordovician to the top of the Maysvillian or 470.00000 to 449.60000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Oklahoma) | Q. glabellus (201757) | |
| Blackriveran | USA (Oklahoma) | Q. glabellus (195568) | |
| Blackriveran - Rocklandian | USA (Minnesota) | Dendrocrinus springeri (23400) | |
| Blackriveran - Rocklandian | USA (Illinois, Iowa) | Dendrocrinus springeri (23454) | |
| Shermanian | USA (Illinois, Iowa) | Quienquecaudex springeri (23477 23481 23486) | |
| Shermanian | USA (Minnesota) | Quienquecaudex springeri (23404) | |
| Shermanian | USA (Iowa, Illinois) | Quienquecaudex springeri (23474) | |
| Katian | USA (Iowa) | Quienquecaudex springeri (138446) | |
| Edenian | USA (Minnesota) | Quienquecaudex springeri (23405) | |
| Edenian | USA (Illinois, Iowa) | Quienquecaudex springeri (23490 23492) | |
| Maysvillian | USA (Iowa) | Q. springeri (13156) |