| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acanthocrinus (crinoid)
Taxonomy
Acanthocrinus was named by Roemer (1850) [Sepkoski's age data: D Emsi-l D Give].
It was assigned to Rhodocrinitidae by Ubaghs et al. (1978); and to Diplobathrida by Sepkoski (2002).
It was assigned to Rhodocrinitidae by Ubaghs et al. (1978); and to Diplobathrida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Acanthocrinus Roemer p. 679 figs. 1, Pl. 6B |
| 1978 | Acanthocrinus Ubaghs et al. p. T421 |
| 2002 | Acanthocrinus Sepkoski |
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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: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Early/Lower Emsian to the top of the Givetian or 410.62000 to 382.31000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Devonian | Argentina (Jachal) | Acanthocrinus benedettoi (39230) | |
| Early/Lower Emsian | Germany (Gemuenden) | Acanthocrinus rex (26903) | |
| Early/Lower Emsian | Germany | Acanthocrinus heroldi, Acanthocrinus lingenbachensis (74301) Acanthocrinus heroldi, Acanthocrinus lingenbachensis, Acanthocrinus rex (26904) Acanthocrinus rex, Acanthocrinus heroldi, Acanthocrinus spinosus (74300) | |
| Late/Upper Emsian | Luxembourg | Acanthocrinus sp. (232220) | |
| Givetian | USA (New York) | Acanthocrinus spinosus (5658) |