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Cederstroemia
Taxonomy
Cederstroemia was named by Siverson (1995) [Sepkoski's age data: K Camp-l K Camp-u]. Its type is Cederstroemia triangulata.
It was assigned to Batoidea by Underwood et al. (1999); to Orectolobiformes by Siverson (1995), Sepkoski (2002), Bourdon et al. (2011) and Guinot et al. (2013); and to Orectolobidae by Ebersole et al. (2022).
It was assigned to Batoidea by Underwood et al. (1999); to Orectolobiformes by Siverson (1995), Sepkoski (2002), Bourdon et al. (2011) and Guinot et al. (2013); and to Orectolobidae by Ebersole et al. (2022).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Cederstroemia Siverson p. 975 |
| 1999 | Cederstroemia Underwood et al. p. 293 |
| 2002 | Cederstroemia Sepkoski |
| 2011 | Cederstroemia Bourdon et al. p. 9 |
| 2013 | Cederstroemia Guinot et al. p. 619 |
| 2022 | Cederstroemia Ebersole et al. p. 378 |
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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. †Cederstroemia Siverson 1995
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†Cederstroemia havreensis Herman 1977
†Cederstroemia nilsi Siverson 1995
†Cederstroemia siverssoni Guinot et al. 2013
†Cederstroemia triangulata Siverson 1995
†Cederstroemia ziaensis Bourdon et al. 2011
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Age range: base of the Late/Upper Albian to the top of the Late/Upper Campanian or 105.30000 to 70.60000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Ukraine | C. siverssoni (214236 214239 214242) | |
| Early/Lower Cenomanian | United Kingdom (England) | C. siverssoni (213567) | |
| Early/Lower Cenomanian | France (Poitou-Charentes) | C. muelleri (77233) C. sp. (77230) | |
| Middle Cenomanian | United Kingdom (England) | C. siverssoni (213569) | |
| Middle Turonian | France (Ardennes) | C. siverssoni (213564) | |
| Coniacian | United Kingdom (Northern Ireland) | C. siverssoni (213383) | |
| Santonian | Russian Federation (Orenburg) | C. nilsi (232890) | |
| Early/Lower Santonian - Middle Santonian | USA (New Mexico) | C. ziaensis, Squatina sp. (52037) | |
| Late/Upper Santonian | United Kingdom (England) | C. havreensis (213381) | |
| Early/Lower Campanian | Russian Federation (Saratov) | C. sp. (224997) | |
| Early/Lower Campanian | United Kingdom (England) | C. havreensis (213379 213561) | |
| Early/Lower Campanian | Sweden (Skåne) | C. nilsi (74334) | |
| Early/Lower Campanian | France (Somme) | C. havreensis (213565 213566) | |
| Early/Lower Campanian | France (Ardennes) | C. havreensis (157587) | |
| Late/Upper Campanian | USA (Montana) | C. triangulata (215798) | |
| Middle Campanian - Late/Upper Campanian | USA (Montana) | C. triangulata (69161) |