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Acolocrinus
Taxonomy
Acolocrinus was named by Kesling and Paul (1971) [Sepkoski's age data: O Cara-l]. It is not extant. It is the type genus of Acolocrinidae.
It was assigned to Acolocrinidae by Ausich (1998); and to Disparida by Sepkoski (2002).
It was assigned to Acolocrinidae by Ausich (1998); and to Disparida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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. †Acolocrinus Kesling and Paul 1971
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Middle Ordovician to the top of the Trentonian or 471.30000 to 449.60000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Kentucky) | A. hydraulicus (124619) | |
| Middle Ordovician | USA (Oklahoma) | A. crinerensis (201757) | |
| Blackriveran | USA (Oklahoma) | A. crinerensis (73277) A. sp. (24103 24104 24105) | |
| Trentonian | USA (Missouri) | A. sp. (13157) |