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Chaunactis
Taxonomy
Chaunactis was named by Finks (1960) [Sepkoski's age data: C Step-l P Guad-l Sepkoski's reference number: 203].
It was assigned to Lithistida by Sepkoski (2002); and to Haplistiidae by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Haplistiidae by Finks et al. (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Chaunactis Finks p. 93 |
| 2002 | Chaunactis Sepkoski |
| 2004 | Chaunactis Finks 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.
G. †Chaunactis Finks 1960
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†Chaunactis foliata Finks 1960
†Chaunactis kaera Hurcewicz 1982
†Chaunactis malkowskii Hurcewicz 1982
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range: base of the Wordian to the top of the Wuchiapingian or 266.90000 to 254.14000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | USA (Texas) | C. sp. 2 (108393) | |
| Capitanian | Mexico (Coahuila) | C. sp. 1 (108396) | |
| Wuchiapingian | Svalbard and Jan Mayen | C. foliata (130898) C. kaera (117798 130896 130897) C. kaera, C. malkowskii (117799) |