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Tuscumbiacrinus madisonensis
Taxonomy
Tuscumbiacrinus madisonensis was named by Keyes et al. (2025). Its type specimen is USNM PAL 781871 and is a 3D body fossil. Its type locality is top, southeastern end of the Madison Quarry, which is in a Meramecian shallow subtidal grainstone in the Tuscumbia Limestone Formation of Alabama. It is the type species of Tuscumbiacrinus.
Synonymy list
| Year | Name and author |
|---|---|
| 2025 | Tuscumbiacrinus madisonensis Keyes et al. p. 155 figs. 3, 9 |
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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.
†Tuscumbiacrinus madisonensis Keyes et al. 2025
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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 | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Aberhan 1992 | |||||
Age range: Meramecian or 342.90000 to 335.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Meramecian | USA (Alabama) | Tuscumbiacrinus madisonensis (type locality: 241998) |