Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyathocystida
Taxonomy
Cyathocystida was named by Bell (1975).
It was assigned to Edrioasteroidea by Bockelie and Paul (1983).
It was assigned to Edrioasteroidea by Bockelie and Paul (1983).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1975 | Cyathocystida Bell |
1983 | Cyathocystida Bockelie and Paul |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Aberhan et al. 2004, Aberhan 1992 |
Age range: base of the Middle Ordovician to the top of the Pusgillian or 470.00000 to 449.20000 Ma
Collections (13 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Middle Ordovician | USA (Oklahoma) | Cyathocystis americanus (201757) | |
Blackriveran | USA (Oklahoma) | Cyathocystis oklahomae (23990 24097) Cyathocystis sp. (24101 24102 24103) | |
Trentonian | USA (Missouri) | Cyathocystis sp. (13157) | |
Keila | Estonia (Harju) | Cyathocystis sp. (87273) | |
Keila - Oandu | Sweden (Dalarne) | Cyathotheca suecica (73411) | |
Oandu - Rakvere | Norway | Cyathotheca sp. (162631) | |
Katian - Hirnantian | Sweden (Dalarne) | Cyathotheca suecica (172828) | |
Pusgillian | Norway | Cyathotheca sp. (162962) | |
Pirgu - Hirnantian | Sweden (Dalarne) | Cyathotheca suecica (73408) |