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Hirneacrinus
Taxonomy
Hirneacrinus was named by Frest and Strimple (1977) [Sepkoski's age data: S Wenl-l Sepkoski's reference number: 243]. It is not extant. Its type is Hirneacrinus cupellaeformis.
It was assigned to Hirneacrinidae by Frest and Strimple (1977); and to Diplobathrida by Sepkoski (2002).
It was assigned to Hirneacrinidae by Frest and Strimple (1977); and to Diplobathrida by Sepkoski (2002).
Species
H. cupellaeformis (type species), H. perplanus
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Hirneacrinus Frest and Strimple |
| 2002 | Hirneacrinus 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.
G. †Hirneacrinus Frest and Strimple 1977
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†Hirneacrinus cupellaeformis Frest and Strimple 1977
†Hirneacrinus perplanus Frest and Strimple 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Sheinwoodian to the top of the Ludlow or 433.40000 to 423.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | USA (Indiana) | H. sp. (26805) | |
| Wenlock | USA (Indiana) | H. cupellaeformis, H. perplanus (26811 130071) H. perplanus (130078) | |
| Ludlow | USA (Missouri) | H. sp. (26821) |