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Ancyrocrinus
Taxonomy
Ancyrocrinus was named by Hall (1862) [Sepkoski's age data: D Sieg D Give]. It is not extant. Its type is Ancyrocrinus bulbosus.
It was assigned to Botryocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); and to Gasterocomidae by Webster et al. (2008).
It was assigned to Botryocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); and to Gasterocomidae by Webster et al. (2008).
Species
A. bulbosus (type species), A. crozonensis
Synonymy list
| Year | Name and author |
|---|---|
| 1862 | Ancyrocrinus Hall |
| 1978 | Ancyrocrinus Ubaghs et al. p. T614 |
| 2002 | Ancyrocrinus Sepkoski |
| 2008 | Ancyrocrinus Webster et al. p. 15 |
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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. †Ancyrocrinus Hall 1862
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†Ancyrocrinus bulbosus Hall 1862
†Ancyrocrinus crozonensis Menn and Jaouen 2003
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Aberhan 1992 | |||||
Age range: base of the Lochkovian to the top of the Givetian or 419.62000 to 382.31000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Australia (Victoria) | A. sp. (39121) | |
| Early/Lower Devonian | Antarctica | A. sp. (35562 35566) | |
| Eifelian | France (Finistère) | A. crozonensis (113597) | |
| Middle Devonian | USA (Indiana) | A. bulbosus (11101) | |
| Middle Devonian | Canada (Ontario) | A. bulbosus (193694) | |
| Middle Devonian | USA (New York) | A. bulbosus (91217 91226 91227 91228 91232 91240 91268) | |
| Givetian | USA (New York) | A. bulbosus (5663 8722 8978 8995 8996 9003) |