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Tribrachidium
Taxonomy
Tribrachidium was named by Glaessner (1959) [Sepkoski's age data: V u Sepkoski's reference number: 647]. It is not extant.
It was assigned to Trilobozoa by Sepkoski (2002); to Triradialomorpha by Erwin et al. (2011); and to Tribrachiomorpha by Grazhdankin (2014).
It was assigned to Trilobozoa by Sepkoski (2002); to Triradialomorpha by Erwin et al. (2011); and to Tribrachiomorpha by Grazhdankin (2014).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Tribrachidium Glaessner p. 389 figs. pl. 47, Figs. 7-8 |
| 2002 | Tribrachidium Sepkoski |
| 2011 | Tribrachidium Erwin et al. pp. Table S5 |
| 2014 | Tribrachidium Grazhdankin p. 272 |
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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. †Tribrachidium Glaessner 1959
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†Tribrachidium gehlingi Botha and García-Bellido 2024
†Tribrachidium heraldicum Glaessner 1959
Diagnosis
No diagnoses are available