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Ranina berglundi
Taxonomy
Ranina berglundi was named by Feldmann et al. (1996). It is a 3D body fossil. Its type locality is CSUN Loc. 1220b, Mesa la Salina, which is in a Ypresian transition zone/lower shoreface sandstone/limestone in the Bateque Formation of Mexico.
It was recombined as Alcespina berglundi by Pasini and Garassino (2017).
It was recombined as Alcespina berglundi by Pasini and Garassino (2017).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Ranina berglundi Squires and Demetrion p. 43 figs. 5.128, 129 |
| 1996 | Ranina berglundi Feldmann et al. p. 43 figs. 5.128, 129 |
| 2006 | Ranina berglundi Schweitzer et al. p. 24 figs. Table 1 |
| 2007 | Ranina berglundi Schweitzer et al. p. 4 figs. Table 1 |
| 2010 | Ranina berglundi Schweitzer et al. p. 74 |
| 2014 | Ranina berglundi Karasawa et al. p. 260 |
| 2017 | Ranina berglundi Luque et al. p. 41 |
| 2017 | Alcespina berglundi Pasini and Garassino p. 94 |
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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.
†Ranina berglundi Feldmann et al. 1996
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Fearon and Clapham 2023, Aberhan 1992, Turnsek 1997 | |||||
Age range: base of the Ypresian to the top of the Middle Eocene or 56.00000 to 37.71000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleogene | Mexico (Baja California) | Ranina berglundi (133561) | |
| Early/Lower Eocene | Mexico (Chiapas) | Ranina berglundi (228574) | |
| Ypresian | Mexico (Baja California Sur) | Ranina berglundi (type locality: 5496) | |
| Eocene | Mexico (Baja California Sur) | Ranina berglundi (68713) | |
| Middle Eocene | Mexico (Baja California Sur) | Ranina berglundi (58665) |