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Placentulinidae
Taxonomy
Placentulinidae was named by Kasimova et al. (1980). It is extant. It was considered unknown by Loeblich and Tappan (1984).
It was assigned to Discorboidea by Loeblich and Tappan (1984).
It was assigned to Discorboidea by Loeblich and Tappan (1984).
Subtaxa
Synonymy list
Year | Name and author |
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1980 | Placentulinidae Kasimova et al. |
1984 | Placentulinidae Loeblich and Tappan p. 32 |
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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.
Fm. Placentulinidae Kasimova et al. 1980
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Subfm. Ashbrookiinae Loeblich and Tappan 1984
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G. †Paalzowella
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†Paalzowella feifeli Paalzow 1932
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Invalid names: Trocholina elevata Paalzow 1932 [synonym], Trocholina transversarii Paalzow 1932 [synonym]
†Paalzowella turbinella Guembel 1862
G. Patellinella Cushman 1928
Diagnosis
Reference | Diagnosis | |
---|---|---|
A. R. Loeblich and H. Tappan 1984 | Test a low trochospiral, lacking a tubular undivided second chamber, and with few chambers per whorl. L. Jurassic to L. Cretaceous, Holocene. |