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Metacrinus
Taxonomy
Metacrinus was named by Carpenter (1882) [Sepkoski's age data: ]. It is extant. Its type is Metacrinus wyvillei. It is the type genus of Metacrininae.
It was assigned to Isocrinidae by Meyer and Oji (1993) and Stilwell et al. (1994); to Isocrinida by Sepkoski (2002); and to Metacrininae by Hess and Messing (2011).
It was assigned to Isocrinidae by Meyer and Oji (1993) and Stilwell et al. (1994); to Isocrinida by Sepkoski (2002); and to Metacrininae by Hess and Messing (2011).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Metacrinus Carpenter |
| 1993 | Metacrinus Meyer and Oji p. 253 |
| 1994 | Metacrinus Stilwell et al. p. 138 |
| 2002 | Metacrinus Sepkoski |
| 2011 | Metacrinus Hess and Messing p. 67 |
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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. Metacrinus Carpenter 1882
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†Metacrinus fossilis Rasmussen 1979
Metacrinus wyvillei Carpenter 1884
Metacrinus wyvillii Carpenter 1884
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Donovan 1994, Kiessling 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Selandian to the top of the Messinian or 61.60000 to 5.33300 Ma
Minimum age of oldest fossil (stem group age): 59.2 Ma
Minimum age of oldest fossil (stem group age): 59.2 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Selandian | New Zealand | M. sp. (119661) | |
| Ypresian | Antarctica | M. sp. (98515 99090) | |
| Lutetian | Antarctica | M. sp. (203486) | |
| Lutetian - Priabonian | Antarctica | M. sp. (203488 203490 203492) | |
| Late/Upper Eocene | Antarctica (Seymour Island) | M. fossilis (126151 204606 204607 204608 204609 204611) | |
| Messinian | Spain | M. sp. (56687) |