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Syntagentactinia
Taxonomy
Syntagentactinia was named by Nazarov (1980) [Sepkoski's age data: O S Sepkoski's reference number: 546]. It is not extant. Its type is Syntagentactinia biocculosa.
It was assigned to Spumellaria by Sepkoski (2002); and to Haplentactiniidae by Noble et al. (2017).
It was assigned to Spumellaria by Sepkoski (2002); and to Haplentactiniidae by Noble et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Syntagentactinia Nazarov |
| 2002 | Syntagentactinia Sepkoski |
| 2017 | Syntagentactinia Noble et al. p. 450 |
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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. †Syntagentactinia Nazarov 1980
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†Syntagentactinia afflicta Nazarov and Ormiston 1990
†Syntagentactinia angulata Pouille and Danelian 2014
†Syntagentactinia biocculosa Nazarov 1980
†Syntagentactinia excelsa Nazarov and Ormiston 1993
†Syntagentactinia pauca Nazarov 1980
†Syntagentactinia pentarhachia Li 1991
Diagnosis
No diagnoses are available