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Tetrentactinia
Taxonomy
Tetrentactinia was named by Foreman (1963) [Sepkoski's age data: D Fame Sepkoski's reference number: 154]. It is not extant. Its type is Tetrentactinia barysphaera. It is the type genus of Tetrentactiniidae, Tetrentactiniini.
It was assigned to Entactiniidae by Won (1997); to Spumellaria by Sepkoski (2002); and to Tetrentactiniini by Noble et al. (2017).
It was assigned to Entactiniidae by Won (1997); to Spumellaria by Sepkoski (2002); and to Tetrentactiniini by Noble et al. (2017).
Species
Somphoentactinia gavrilovi, Somphoentactinia multisphaerata, Somphoentactinia saecularis, Spongentactinella corynacantha, Spongentactinella faceta, Spongentactinella olafi, Spongentactinella veles, Spongentactinella windjanensis, T. barysphaera (type species), T. gracilispinosa, T. incondita, T. inopia, T. puncticulosa, T. quadrispinosa, T. somphosphaera, T. somphozona, T. spinulosa, T. spongacea, T. teuchestes
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Tetrentactinia Foreman |
| 1975 | Somphoentactinia Nazarov |
| 1975 | Spongentactinella Nazarov |
| 1983 | Spongentactinella Nazarov and Ormiston |
| 1993 | Somphoentactinia Aitchison |
| 1993 | Spongentactinella Aitchison |
| 1997 | Tetrentactinia Won |
| 2002 | Somphaentactinia Sepkoski |
| 2002 | Spongentactinella Sepkoski |
| 2002 | Tetrentactinia Sepkoski |
| 2003 | Spongentactinella Wang et al. p. 131 |
| 2017 | Tetrentactinia Noble et al. p. 458 |
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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. †Tetrentactinia Foreman 1963
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†Tetrentactinia barysphaera Foreman 1963
†Tetrentactinia gracilispinosa Foreman 1963
†Tetrentactinia incondita Nazarov 1973
†Tetrentactinia inopia Nazarov 1981
†Tetrentactinia puncticulosa Nazarov 1975
†Tetrentactinia quadrispinosa Foreman 1963
†Tetrentactinia somphosphaera Foreman 1963
†Tetrentactinia somphozona Foreman 1963
†Tetrentactinia spinulosa Kiessling and Tregelehn 1994
†Tetrentactinia spongacea Foreman 1963
†Tetrentactinia teuchestes Foreman 1963
Invalid names: Somphoentactinia Nazarov 1975 [synonym], Spongentactinella Nazarov 1975 [synonym]
Diagnosis
No diagnoses are available