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Simnialena
Taxonomy
Simnialena was named by Cate (1973). It is extant.
It was reranked as Simnia (Simnialena) by Dolin (1991).
It was assigned to Simnia by Dolin (1991); and to Ovulinae by Landau and Fehse (2004).
It was reranked as Simnia (Simnialena) by Dolin (1991).
It was assigned to Simnia by Dolin (1991); and to Ovulinae by Landau and Fehse (2004).
Synonymy list
Year | Name and author |
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1973 | Simnialena Cate |
1991 | Simnia (Simnialena) Dolin p. 45 |
2004 | Simnialena Landau and Fehse p. 20 |
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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. Simnialena Cate 1973
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†Simnia (Simnialena) oryzagrana Dolin 1991
†Simnialena oryzagrana Dolin 1991
Simnialena uniplicata Sowerby 1848
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Burdigalian to the top of the Piacenzian or 20.44000 to 2.58800 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Burdigalian | USA (Florida) | Simnia oryzagrana (92458) | |
Early/Lower Pliocene | Trinidad and Tobago | Neosimnia uniplicata (60412) | |
Piacenzian | Spain | S. oryzagrana (80558 80562) |