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Eosurcula praeattenuata
Taxonomy
Surcula praeattenuata was named by Gabb (1869). It is extant.
It was recombined as Turricula praeattenuata by Merriam and Turner (1937); it was recombined as Eosurcula praeattenuata by Givens and Kennedy (1979).
It was recombined as Turricula praeattenuata by Merriam and Turner (1937); it was recombined as Eosurcula praeattenuata by Givens and Kennedy (1979).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1869 | Surcula praeattenuata Gabb p. 150 figs. PI. 26, Fig. 27 |
| 1927 | Surcula praeattenuata Hanna p. 326 figs. Plate 54, figures 2, 7, 9, and 10 |
| 1937 | Turricula praeattenuata Merriam and Turner p. 100 |
| 1979 | Eosurcula praeattenuata Givens and Kennedy p. 95 |
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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.
Eosurcula praeattenuata Gabb 1869
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | USA (California) | Turricula praeattenuata (238132) | |
| Lutetian | USA (California) | Eosurcula praeattenuata (200714 200716 200726) | |
| Middle Eocene - Late/Upper Eocene | USA (California) | Surcula praeattenuata (37928) |