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Homalocrinidae
Taxonomy
Homalocrinidae was named by Angelin (1878). Its type is Homalocrinus.
It was assigned to Sagenocrinitacea by Ubaghs et al. (1978); to Icthyocrinacea by Ausich and Copper (2010); and to Sagenocrinida by Wright and Toom (2017).
It was assigned to Sagenocrinitacea by Ubaghs et al. (1978); to Icthyocrinacea by Ausich and Copper (2010); and to Sagenocrinida by Wright and Toom (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Homalocrinidae Angelin |
| 1978 | Homalocrinidae Ubaghs et al. p. T794 |
| 2010 | Homalocrinidae Ausich and Copper p. 61 |
| 2017 | Homalocrinidae Wright and Toom |
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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. †Homalocrinidae Angelin 1878
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G. †Asaphocrinus
G. †Homalocrinus
G. †Tintinnabulicrinus Wright and Toom 2017
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†Tintinnabulicrinus estoniensis Wright and Toom 2017
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Keila | Estonia (Harju) | Tintinnabulicrinus estoniensis (188423) | |
| Katian | Canada (Quebec) | Homalocrinidae indet. (202373) | |
| Llandovery - Wenlock | USA (New York) | Asaphocrinus ornatus (26801) | |
| Silurian | USA (Oklahoma) | Asaphocrinus sp. (528) | |
| Wenlock | USA (Indiana) | Asaphocrinus minor (26771) | |
| Wenlock | USA (New York) | Asaphocrinus ornatus (12936 13050 26854) | |
| Ludlow | USA (Oklahoma) | Asaphocrinus densus (26823) | |
| Ludfordian - Pridoli | USA (Oklahoma) | Asaphocrinus densus (26824) |