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Hemicystitidae
Taxonomy
Hemicystitidae was named by Bassler (1936). It is not extant.
It was assigned to Edrioasteroidea by Regnéll (1945) and Regnéll (1966).
It was assigned to Edrioasteroidea by Regnéll (1945) and Regnéll (1966).
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.
Fm. †Hemicystitidae Bassler 1936
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G. †Anglidiscus Regnéll 1950
G. †Carneyella Forste 1916
G. †Cincinnatidiscus Bassler 1935
G. †Cystaster Hall 1871
G. †Foerstediscus Bassler 1935
G. †Hemicystites Hall 1852
G. †Lebetodiscus Bather 1908
G. †Lepidoconia Wilson 1946
G. †Timeischytes Ehlers and Kesling 1958
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Aberhan 1992, Aberhan et al. 2004 |
Age range: base of the Arenig to the top of the Late/Upper Devonian or 478.60000 to 358.90000 Ma
Collections (40 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Arenig | Morocco | Hemicystites sp. (20979) | |
Dobrotiva | Czech Republic | Hemicystites sp. (3859) | |
Letna - Harnagian | Czech Republic | Hemicystites bohemicus, Hemicystites velatus (3861) | |
Berounian | Morocco | Hemicystites sp. (21001) | |
Blackriveran | USA (Oklahoma) | Foerstediscus sp. (24101 24102 24103) | |
Blackriveran | USA (New York) | Bassleridiscus mohawkensis (76145) | |
Blackriveran | Canada (Ontario) | Foerstediscus grandis (55999) | |
Blackriveran | USA (Illinois, Iowa) | Hemicystites paulianus (23449) | |
Blackriveran - Rocklandian | USA (Illinois, Iowa) | Hemicystites curtus, Hemicystites paulianus (23454) | |
Chatfieldian | Canada (Ontario) | Hemicystites billingsi (26263) | |
Edenian | USA (Ohio) | Cincinnatidiscus sp. (386) Cystaster sp. (384) | |
Kirkfieldian | USA (Illinois, Iowa) | Hemicystites curtus, Hemicystites paulianus (23460) Hemicystites paulianus (23465) | |
Rocklandian - Kirkfieldian | USA (Illinois, Iowa) | Hemicystites curtus, Hemicystites paulianus (23457) | |
Rocklandian - Shermanian | USA (Minnesota) | Hemicystites curtus, Hemicystites paulianus (23402) | |
Shermanian | USA (Minnesota) | Hemicystites paulianus (23403) | |
Shermanian | USA (Illinois, Iowa) | Hemicystites paulianus (23470) | |
Shermanian | USA (Iowa, Illinois) | Hemicystites paulianus (23469) | |
Trentonian | Canada (Ontario) | Cystaster sp. (401) | |
Turinian | Canada (Quebec) | Lebetodiscus dicksoni (195625) | |
Sandbian | Czech Republic | Hemicystites sp. (3856) | |
Zahorany - Late/Upper Ordovician | Czech Republic | Hemicystites sp. (3865) | |
Katian | USA (Iowa) | Hemicystites sp. (138446) | |
Maysvillian | USA (Ohio) | Carneyella sp., Cincinnatidiscus sp., Cystaster sp. (388) | |
Maysville | USA (Ohio) | Carneyella sp. (350) | |
Maysvillian - Ashgill | USA (Ohio) | Carneyella sp. (390) Carneyella sp., Cincinnatidiscus sp. (389) | |
Richmond | USA (Indiana) | Carneyella sp. (400) | |
Richmond - Ashgill | USA (Ohio) | Hemicystites sp. (392) | |
Richmondian | USA (Ohio) | Carneyella foerstei (5326) | |
Richmondian - Ashgill | USA (Ohio) | Carneyella sp., Cincinnatidiscus sp., Hemicystites sp. (394) Hemicystites sp. (393) | |
Wenlock | Canada (Ontario) | Hemicystites sp. (26855) | |
Wenlock | USA (New York) | Hemicystites parasiticus (12936) Hemicystites parasiticus, Hemicystites sp. (26854) | |
Eifelian | Germany | Timeischytes prescheri (188768) | |
Late/Upper Devonian | USA (Iowa) | Timeischytes sp. (666) |