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Gazacrinidae
Taxonomy
Gazacrinidae was named by Miller (1892). It is not extant. Its type is Gazacrinus.
It was assigned to Dimerocrinitacea by Ubaghs et al. (1978), Ausich (1998).
It was assigned to Dimerocrinitacea by Ubaghs et al. (1978), Ausich (1998).
Subtaxa
Gazacrinus (type genus), Pregazacrinus
Synonymy list
| Year | Name and author |
|---|---|
| 1892 | Gazacrinidae Miller |
| 1978 | Gazacrinidae Ubaghs et al. p. T438 |
| 1998 | Gazacrinidae Ausich p. 24 |
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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.
Fm. †Gazacrinidae Miller 1892
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G. †Gazacrinus Miller 1892
G. †Pregazacrinus Witzke and Strimple 1981
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (Oklahoma) | Gazacrinus sp. (528) | |
| Telychian - Sheinwoodian | USA (Iowa) | Pregazacrinus hemisphericus (26715) | |
| Wenlock | USA (Indiana) | Gazacrinus depressus, Gazacrinus inornatus, Gazacrinus magnus, Gazacrinus ventricosus (26771) Gazacrinus inornatus (26700) | |
| Wenlock | USA (New York) | Gazacrinus immaturus (13338) Gazacrinus sp. (13047) | |
| Wenlock - Ludlow | USA (Illinois) | Gazacrinus major, Gazacrinus minor (26770) | |
| Ludfordian - Pridoli | USA (Oklahoma) | Gazacrinus stellatus (26824) |