| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tribrachyocrinus
Taxonomy
Tribrachyocrinus was named by M'Coy (1847) [Sepkoski's age data: P Leon P Guad-u]. Its type is Tribrachyocrinus clarkii. It is the type genus of Tribrachyocrinidae.
It was corrected as Tribrachiocrinus by Etheridge (1892).
It was assigned to Poteriocrinidae by Etheridge (1892); to Tribrachyocrinidae by Arendt (1981), Webster and Jell (1999); to Cladida by Sepkoski (2002); and to Articuliformes by Wright (2017).
It was corrected as Tribrachiocrinus by Etheridge (1892).
It was assigned to Poteriocrinidae by Etheridge (1892); to Tribrachyocrinidae by Arendt (1981), Webster and Jell (1999); to Cladida by Sepkoski (2002); and to Articuliformes by Wright (2017).
Species
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Pentadia Dana p. 152 |
| 1847 | Pentadia reniformis Dana p. 152 |
| 1847 | Pentadia spatangus Dana p. 152 |
| 1847 | Pentadia trigona Dana p. 152 |
| 1847 | Tribrachyocrinus M'Coy p. 228 |
| 1892 | Tribrachiocrinus Etheridge Jr. p. 82 |
| 1981 | Tribrachyocrinus Arendt p. 15 |
| 1999 | Tribrachyocrinus Webster and Jell p. 329 |
| 2002 | Tribrachyocrinus Sepkoski |
| 2017 | Tribrachyocrinus Wright |
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. †Tribrachyocrinus M'Coy 1847
show all | hide all
†Tribrachyocrinus brogerensis Willink 1979
†Tribrachyocrinus clarkei M'Coy 1847
†Tribrachyocrinus corrugatus Ratte 1885
†Tribrachyocrinus etheridgei Willink 1979
†Tribrachyocrinus granulatus Etheridge Jr. 1892
†Tribrachyocrinus pseudoclarkei Willink 1979
†Tribrachyocrinus rattei Willink 1979
†Tribrachyocrinus singletonensis Willink 1979
Invalid names: Pentadia Dana 1847 [nomen dubium], Pentadia reniformis Dana 1847 [nomen dubium], Pentadia spatangus Dana 1847 [nomen dubium], Pentadia trigona Dana 1847 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Artinskian to the top of the Wuchiapingian or 290.10000 to 254.14000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Australia (Queensland) | T. sp. A (120680) | |
| Roadian | Australia (New South Wales) | T. clarkii (161842) T. etheridgei (37634 82848) T. etheridgei, T. corrugatus (103569) | |
| Wordian | New Zealand (Nelson) | Tribrachiocrinus sp. (41797) | |
| Wordian | Australia (New South Wales) | Pentadia spatangus, Pentadia reniformis, Pentadia trigona (133337) T. brogerensis (88233 133294) T. brogerensis, T. corrugatus (120677) T. clarkii (133343) T. granulatus (120679) T. rattei, T. pseudoclarkei, T. clarkei (87197) T. singletonensis (120678) T. sp. (105160 120675 120681) T. sp., T. brogerensis, T. corrugatus, T. rattei (86574) | |
| Wordian | Australia (Tasmania) | T. sp. B, T. corrugatus, T. granulatus (83175) | |
| Wordian - Wuchiapingian | Australia (Queensland) | T. sp. A (83193) | |
| Wuchiapingian | Australia (Queensland) | T. sp. (120592) |