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Bridgerocrinus
Taxonomy
Bridgerocrinus was named by Laudon and Severson (1953) [Sepkoski's age data: D Fame-l C Tour-u Sepkoski's reference number: 1247]. It is not extant. It is the type genus of Bridgerocrinidae.
It was assigned to Scytalocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); and to Bridgerocrinidae by Webster and Lane (2007).
It was assigned to Scytalocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); and to Bridgerocrinidae by Webster and Lane (2007).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Bridgerocrinus Laudon and Severson |
| 1978 | Bridgerocrinus Ubaghs et al. p. T640 |
| 2002 | Bridgerocrinus Sepkoski |
| 2007 | Bridgerocrinus Webster and Lane p. 957 |
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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. †Bridgerocrinus Laudon and Severson 1953
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†Bridgerocrinus arachnoideus Whidborne 1898
†Bridgerocrinus discus Waters et al. 2003
†Bridgerocrinus stadiodactylus Whidborne 1896
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Famennian to the top of the Early/Lower Famennian or 372.20000 to 370.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Famennian | China (Xinjiang) | B. delicatulus, B. minutus (3562) | |
| Famennian | China (Xinjiang) | B. discus (124085) |