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Tetracrinus
Taxonomy
Tetracrinus was named by Muenster (1839) [Sepkoski's age data: J Sine-u J Tith-u]. It is not extant. Its type is Eugeniacrinites moniliformis. It is the type genus of Tetracrinidae.
It was assigned to Cyrtocrinida by Sepkoski (2002); and to Tetracrinidae by Hess and Messing (2011).
It was assigned to Cyrtocrinida by Sepkoski (2002); and to Tetracrinidae by Hess and Messing (2011).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Tetracrinus Muenster |
| 2002 | Tetracrinus Sepkoski |
| 2011 | Tetracrinus 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.
G. †Tetracrinus Muenster 1839
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†Tetracrinus jagti Salamon et al. 2007
†Tetracrinus moniliformis Muenster 1826
†Tetracrinus solidus Hess and Thuy 2017
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Hendy et al. 2009, Aberhan 1992 | |||||
Age range: base of the Late/Upper Pliensbachian to the top of the Late/Upper Cenomanian or 189.60000 to 93.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliensbachian - Early/Lower Aalenian | France | T. solidus (197653) | |
| Middle Oxfordian | France | T. moniliformis (163585) | |
| Late/Upper Cenomanian | Poland (Lesser Poland) | T. jagti (213863) |