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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 |
---|---|
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. |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Late/Upper Aalenian to the top of the Early/Lower Pliocene or 174.70000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 170.9 Ma
Minimum age of oldest fossil (stem group age): 170.9 Ma
Collections (21 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Aalenian | Spain | Paalzowella goyi (168076 168077 168078 168079) | |
Early/Lower Bajocian | Spain | Paalzowella goyi (168080 168081) | |
Bajocian | Slovakia | Paalzowella elevata, Rumanolina feifeli, Rumanolina seiboldi, Paalzowella turbinella (60237) Paalzowella turbinella, Paalzowella feifeli (201061 201062) | |
Bajocian | France | Paalzowella sp. (34714 34715) | |
Late/Upper Bajocian | Russian Federation (Karachay-Cherkessia) | Paalzowella undosa (198680) | |
Callovian | Egypt | Trocholina transversarii (99486) | |
Middle Callovian - Late/Upper Callovian | Saudi Arabia | Trocholina transversarii (34544) | |
Oxfordian - Early/Lower Kimmeridgian | Bulgaria | Paalzowella turbinella, Paalzowella feifeli (151485) | |
Oxfordian - Early/Lower Kimmeridgian | Poland | Rumanolina feifeli (215249) | |
Oxfordian - Kimmeridgian | Poland | Rumanolina feifeli (215203) | |
Late/Upper Oxfordian | Poland | Paalzowella turbinella (78596) | |
Early/Lower Kimmeridgian | Poland | Paalzowella turbinella (78625) | |
Early/Lower Tithonian | Germany | Paalzowella sp. (68092) | |
Early/Lower Pliocene | New Zealand | Patellinella inconspicua (73307) |