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Rananasus brevicephalus
Taxonomy
Rananasus brevicephalus was named by Cullison (1944). Its type specimen is USNM MSM-106.2 and is a 3D body fossil. Its type locality is M. S. M. 106.2. Missouri State Highway 80, 1/4 mile west of Tecumseh bridge, which is in a Jeffersonian carbonate dolomite in the Rich Fountain Formation of Missouri.
It was recombined as Ranasasus brevicephalus by Loch (1995).
It was recombined as Ranasasus brevicephalus by Loch (1995).
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Rananasus brevicephalus Cullison pp. 82 - 83 figs. Plate XXXIV, figures 41-44 |
| 1995 | Ranasasus brevicephalus Loch |
| 2014 | Rananasus brevicephalus McCobb et al. p. 583 |
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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.
†Rananasus brevicephalus Cullison 1944
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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: Whittington et al. 1997, Fortey and Owens 1999, Aberhan et al. 2004 | |||||
Age range: Jeffersonian or 486.85000 to 471.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian | USA (Missouri) | Rananasus brevicephalus (56505 type locality: 210300) |