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Tribrachyocrinidae
Taxonomy
Tribrachyocrinidae was named by Arendt and Willink (1981). Its type is Tribrachyocrinus.
It was assigned to Ampelocrinida by Webster and Jell (1999).
It was assigned to Ampelocrinida by Webster and Jell (1999).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Tribrachyocrinidae Arendt and Willink |
| 1999 | Tribrachyocrinidae Webster and Jell p. 328 |
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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.
Fm. †Tribrachyocrinidae Arendt and Willink 1981
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G. †Meganotocrinus Willink 1979
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†Meganotocrinus konincki De Koninck 1877
†Meganotocrinus princeps Etheridge Jr. 1892
†Meganotocrinus tuberculatus Willink 1979
Invalid names: Pentadia corona Dana 1849 [nomen dubium]
G. †Tribrachyocrinus M'Coy 1847
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†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