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Tetrasacculus
Taxonomy
Tetrasacculus was named by Stewart (1936) [Sepkoski's age data: D Eife P l Sepkoski's reference number: ZR88]. It is not extant.
It was assigned to Hollinidae by Kesling and McMillan (1951) and Benson et al. (1961); to Hollinellidae by Hoare and Mapes (2000); and to Palaeocopida by Sepkoski (2002).
It was assigned to Hollinidae by Kesling and McMillan (1951) and Benson et al. (1961); to Hollinellidae by Hoare and Mapes (2000); and to Palaeocopida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Tetrasacculus Stewart |
| 1951 | Tetrasacculus Kesling and McMillan |
| 1961 | Tetrasacculus Benson et al. p. Q140 |
| 2000 | Tetrasacculus Hoare and Mapes p. 5 |
| 2002 | Tetrasacculus Sepkoski |
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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. †Tetrasacculus Stewart 1936
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†Tetrasacculus bilobus Stewart 1936
†Tetrasacculus magnivelatus Kesling and McMillan 1951
Diagnosis
No diagnoses are available