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Tetrada
Taxonomy
Tetrada was named by Neckaja (1958) [Sepkoski's age data: O Llde-l O Cara-m Sepkoski's reference number: 855].
It was assigned to Quadrijugatoridae by Benson et al. (1961); to Tallinnellinae by Meidla (1996); and to Palaeocopida by Sepkoski (2002).
It was assigned to Quadrijugatoridae by Benson et al. (1961); to Tallinnellinae by Meidla (1996); and to Palaeocopida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1958 | Tetrada Neckaja |
1961 | Tetrada Benson et al. p. Q154 |
1996 | Tetrada Meidla |
2002 | Tetrada 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. †Tetrada Neckaja 1958
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Subg. †Tetrada (Neotsitrella) Sarv 1963
Subg. †Tetrada (Tetrada) Neckaja 1958
Diagnosis
No diagnoses are available