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Craspedalosia
Taxonomy
Craspedalosia was named by Muir-Wood and Cooper (1960) [Sepkoski's age data: P Sakm P Guad Sepkoski's reference number: 40].
It was assigned to Heteralosiinae by Muir-Wood and Cooper (1960); to Strophalosiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Heteralosiinae by Muir-Wood and Cooper (1960); to Strophalosiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Craspedalosia Muir-Wood and Cooper |
| 2000 | Craspedalosia Williams et al. p. 565 |
| 2002 | Craspedalosia 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.
G. †Craspedalosia Muir-Wood and Cooper 1960
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†Craspedalosia lamellosa Geinitz 1848
†Craspedalosia pulchella Dunbar 1955
†Craspedalosia vaneivisica Kalashnikov 1993
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 10.3 | |||||
| valve height | 1 | 16.6 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Wuchiapingian or 283.30000 to 254.14000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Russian Federation | C. pulchella (109987) | |
| Kungurian | Canada (British Columbia) | C. pulchella (88437) | |
| Roadian | Russian Federation | C. pulchella (109483 110038) | |
| Wordian | USA (Alaska) | C. sp. (102551) | |
| Wuchiapingian | United Kingdom (England) | Strophalosia lamellosa (110450) | |
| Wuchiapingian | Greenland | Strophalosia pulchella (86159 86165 86166 86167 96802 97014 107368 107516 107526 107530 107531 107532 107546) | |
| Wuchiapingian | Poland | Strophalosia lamellosa (137886) |