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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyclocystoides halli
Taxonomy
Cyclocystoides halli was named by Billings (1858). It is the type species of Cyclocystoides.
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Cyclocystoides halli Billings p. 86 |
| 1945 | Cyclocystoides halli Regnéll |
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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.
†Cyclocystoides halli Billings 1858
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: Chatfieldian or 453.80000 to 451.00000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackriveran | USA (illinois) | Cyclocystoides halli (195626) | |
| Blackriveran | USA (Illinois, Iowa) | Cyclocystoides halli (23431 23434) | |
| Blackriveran | USA (Minnesota) | Cyclocystoides halli (23399) | |
| Blackriveran - Rocklandian | USA (Minnesota) | Cyclocystoides halli (23400) | |
| Shermanian | USA (Minnesota) | Cyclocystoides halli (23092 23404) | |
| Shermanian | USA (Illinois, Iowa) | Cyclocystoides halli (23477 23481 23486) | |
| Chatfieldian | Canada (Ontario) | Cyclocystoides halli (26263) |