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Robergiella sagittalis
Taxonomy
Robergiella sagittalis was named by Whittington (1959) [Paratypes: USNM 137680]. Its type specimen is USNM 137679, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Loc. 14, Lacey Spring area, which is in a Blackriveran carbonate limestone in the Edinburg Formation of Virginia. It is the type species of Robergiella.
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Robergiella sagittalis Whittington p. 432 figs. Pl. 6, figs. 16, 17 |
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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.
†Robergiella sagittalis Whittington 1959
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Blackriveran or 457.30000 to 449.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandeilo - Caradoc | Canada (Northwest Territories) | Robergiella sagittalis (316) | |
| Blackriveran | USA (Virginia) | Robergiella sagittalis (type locality: 105247 105254 105255) |