Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cystothalamiella ducta
Taxonomy
Cystothalamiella ducta was named by Rigby and Potter (1986). It is not extant. Its type specimen is USNM 395880. It is the type species of Cystothalamiella.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1986 | Cystothalamiella ducta Rigby and Potter pp. 32-34 figs. 10.12-10.14 |
1988 | Cystothalamiella ducta Rigby et al. |
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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.
†Cystothalamiella ducta Rigby and Potter 1986
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, o = order, c = class | |||||
References: Whittington et al. 1997, Kiessling 2004 |
Age range: base of the Late/Upper Ordovician to the top of the Ashgill or 458.20000 to 443.10000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Llandeilian - Caradoc | USA (Alaska) | Cystothalamiella ducta (99662) | |
Late/Upper Ordovician | USA (Alaska) | Cystothalamiella ducta (99573) | |
Ashgill | USA (Alaska) | Cystothalamiella ducta (99658) | |
Ashgill | USA (California) | Cystothalamiella ducta (69241 99696 99697 99698 99805) |