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Geratarbus lacoei
Taxonomy
Geratarbus lacoei was named by Scudder (1890). It is a compression fossil. Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois.
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Geratarbus lacoei Scudder p. 448 figs. Pl 40, fig 11 |
| 1913 | Geratarbus lacoei Petrunkevitch p. 118 figs. Pl 11, fig 68; text-figs 71,72 |
| 1949 | Geratarbus lacoei Petrunkevitch p. 174 |
| 1953 | Geratarbus lacoei Petrunkevitch p. 56 |
| 2013 | Geratarbus lacoei Dunlop et al. p. 47 |
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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.
†Geratarbus lacoei Scudder 1890
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Bush and Bambach 2015 | |||||
Age range: Westphalian D or 309.80000 to 307.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian D | USA (Illinois) | Geratarbus lacoei (type locality: 21981) |