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Orthocrinidae
Taxonomy
Orthocrinidae was named by Jaekel (1918). It is not extant. Its type is Orthocrinus.
It was assigned to Dimerocrinitacea by Ubaghs et al. (1978).
It was assigned to Dimerocrinitacea by Ubaghs et al. (1978).
Subtaxa
Orthocrinus (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Orthocrinidae Jaekel |
| 1978 | Orthocrinidae Ubaghs et al. p. T439 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Pragian to the top of the Late/Upper Emsian or 413.02000 to 393.47000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | France (Bretagne) | Orthocrinus primaevus (81603) | |
| Early/Lower Emsian | Germany | Orthocrinus simplex (74300) | |
| Emsian | Germany (North Rhine-Westphalia) | Orthocrinus tuberculatus (235091) | |
| Late/Upper Emsian | Spain | Orthocrinus sp. (223347) |