| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Calcihexactina
Taxonomy
Calcihexactina was named by Sdzuy (1969) [Sepkoski's age data: Cm Boto Cm mMid Sepkoski's reference number: 1006]. Its type is Calcihexactina franconia.
It was assigned to Hyalostellidae by Brock and Cooper (1993); and to Lyssacinosida by Sepkoski (2002).
It was assigned to Hyalostellidae by Brock and Cooper (1993); and to Lyssacinosida by Sepkoski (2002).
Species
C. franconia (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Calcihexactina Sdzuy |
| 1993 | Calcihexactina Brock and Cooper p. 763 |
| 2002 | Calcihexactina Sepkoski |
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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 | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Meishucunian to the top of the Toyonian or 530.70000 to 508.20000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | China (Hunan) | C. sp. (97715) | |
| Meishucunian | China (Guizhou) | C. sp. (106508) C. tranica (106514) | |
| Meishucunian | China (Zhejiang) | C. sp. (108039) | |
| Branchian | United Kingdom (England) | C. sp. indet. (79931 79939) | |
| Toyonian | Türkiye (Konya) | C. sp. (91535) | |
| Toyonian | Australia (South Australia) | C. sp. (64459 64462) |