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Rallacosta imporcata
Taxonomy
Rallacosta imporcata was named by Cooper and Grant (1976). Its type specimen is USNM 152973n, a valve (Ventral valve), and it is not a trace fossil. It is the type species of Rallacosta.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Rallacosta imporcata Cooper and Grant p. 2279 figs. Pl 648, figs 1-48 |
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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.
†Rallacosta imporcata Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | Rallacosta imporcata (101867 102619 105902 106108 106138 106244 106245) | |
| Capitanian | USA (Texas) | Rallacosta imporcata (81697 105894 105895 106243 106248 106249) |