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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Maydena roadsidensis
Taxonomy
Maydena roadsidensis was named by Jell (2014). Its type specimen is UTGD128851, a test (a decalcified external mould of the ventral surface), and it is a 3D body fossil. Its type locality is NMVPL1600. Gordon River Road Section. 19 km west of Maydena), which is in a Lancefieldian marine siltstone in the Florentine Valley Formation of Australia. It is the type species of Maydena.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Maydena roadsidensis Jell pp. 531 - 532 |
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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.
†Maydena roadsidensis Jell 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. A. Jell 2014 | Adambulacrals in oral view forming the abradial margin of the podial basins, with suggestion of spine articulation bases on the top of the T-shaped ridge; inferomarginals (the third column of plates) abradial, subquadrate, flat, thin, with numerous spines articulated to abradial margin (i.e., aboral side in life position). |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Aberhan 1992, Bambach et al. 2007 | |||||
Age range: Lancefieldian or 484.30000 to 474.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lancefieldian | Australia (Tasmania) | Maydena roadsidensis (type locality: 165771) |