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Taxonomy
Gerastos emmetus was named by Gibb and Chatterton (2010) [= 1970 Gerastos sp. B aff. granulosus (Goldfuss, 1843), Alberti, p. 36, pl. 3, figs. 1-2.]. Its type specimen is US13560 (complete exoskeleton) and is a 3D body fossil. Its type locality is Upper Radiaspis horizon, Issoumour (East), which is in a Givetian carbonate limestone in the Bou-Dib Formation of Morocco.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Gerastos emmetus Gibb and Chatterton pp. 30 - 31 figs. Plate 20.1-20. 7; Plate 21.1-21.5; Plate 22.1-22.6; Plate 23.1-23.10 |
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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.
†Gerastos emmetus Gibb and Chatterton 2010
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: Early/Lower Givetian or 387.95000 to 385.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Givetian | Morocco | Gerastos emmetus (227236 227237 type locality: 227238 227239 227240) |