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Laytonia
Taxonomy
Laytonia was named by David (1943) [Sepkoski's age data: T Mi-u Sepkoski's reference number: 915].
It was assigned to Laytoniinae by David (1943); to Anguilliformes by Sepkoski (2002); and to Halosauridae by David (1948), Fierstine et al. (2012).
It was assigned to Laytoniinae by David (1943); to Anguilliformes by Sepkoski (2002); and to Halosauridae by David (1948), Fierstine et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Laytonia David p. 13 |
| 1948 | Laytonia David p. 94 |
| 2002 | Laytonia Sepkoski |
| 2012 | Laytonia Fierstine et al. p. 13 |
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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. †Laytonia David 1943
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†Laytonia californica David 1943
†Laytonia zemorrensis David 1948
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| Reference: Carroll 1988 | |||||
Age range: base of the Middle Eocene to the top of the Late/Upper Miocene or 48.07000 to 5.33300 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene - Late/Upper Eocene | USA (California) | L. zemorrensis (191008) | |
| Late/Upper Miocene | USA (California) | L. californica (185673) |