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Choiaella
Taxonomy
Choiaella was named by Rigby and Hou (1995) [Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 1214]. It is not extant. It is considered to be a form taxon. Its type is Choiaella scotica.
It was assigned to Choiidae by Rigby and Hou (1995); to Demospongia by Sepkoski (2002); and to Porifera by Bambach et al. (2007).
It was assigned to Choiidae by Rigby and Hou (1995); to Demospongia by Sepkoski (2002); and to Porifera by Bambach et al. (2007).
Species
C. radiata, C. scotica (type species)
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by C. Luo on 2017-10-02
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Choiaella Rigby and Hou |
| 2002 | Choiaella Sepkoski |
| 2007 | Choiaella Bambach 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. †Choiaella Rigby and Hou 1995
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†Choiaella radiata Rigby and Hou 1995
†Choiaella scotica Beresi et al. 2010
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range: base of the Atdabanian to the top of the Caradoc or 521.00000 to 449.50000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | China (Yunnan) | C. radiatia (156226) | |
| Atdabanian | China (Guizhou) | C. radiata (86849) | |
| Atdabanian | China (Yunnan) | C. radiata (68083 86851 90138 90164 90165 96402 96405) | |
| Nangaoian | China (Yunnan) | C. radiata (132327 132329 132330 194143 194150 194155 194160 194163) | |
| Stage 4 | China (Hunan) | C. ovata, C. radiata (277901) | |
| Tremadocian | Morocco | C. sp. (96112) | |
| Caradoc | United Kingdom (Scotland) | C. scotica (184250) |