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Praetetracrinus doreckae
Taxonomy
Praetetracrinus doreckae was named by Jäger (1995). Its type specimen is SMNS 62568/1, a set of stem ossicles, and it is a 3D body fossil. Its type locality is Geisingen/Donau, sample 7, which is in an Aalenian carbonate marl in the Opalinus Clay Formation of Germany. It is the type species of Praetetracrinus.
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Praetetracrinus doreckae Jäger p. 14 figs. Pl 1; pl 2, figs 2-10; pl 3-5; text-fig 2 |
| 2011 | Praetetracrinus doreckae Hess and Messing p. 196 |
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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.
†Praetetracrinus doreckae Jäger 1995
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: Middle Aalenian or 174.70000 to 170.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Aalenian | Germany | Praetetracrinus doreckae (type locality: 139786 139787) |