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Isjuminella
Taxonomy
Isjuminella was named by Makridin (1955) [Sepkoski's age data: J Bath Sepkoski's reference number: 538]. It is not extant. It is the type genus of Isjuminellinae.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Isjuminellinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Isjuminellinae by Williams et al. (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Isjuminella Makridin p. 85 |
| 2002 | Isjuminella Sepkoski |
| 2002 | Sardorhynchia Sepkoski |
| 2002 | Isjuminella Williams et al. p. 1359 |
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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. †Isjuminella Makridin 1955
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†Isjuminella decorata Schlotheim 1820
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†Burmirhynchia decorata decorata Laurin 1984
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Invalid names: Rhynchonella tricristata Rollier 1917 [synonym], Terebratula decorata rucipalcis Quenstedt 1868 [synonym]
†Burmirhynchia decorata kiliani Dardeau and Laurin 1982
Invalid names: Sardorhynchia [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 10 | 28.2 | 23.2 | 34.3 | 29.1 | 3.21 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Bathonian or 167.70000 to 166.10000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian | France | Burmirhynchia decorata (174613) I. decorata (159878) | |
| Bathonian | Germany | I. decorata (159879) | |
| Late/Upper Bathonian | France | Burmirhynchia decorata (174611 174612 174614) | |
| Middle Bathonian | France | Burmirhynchia decorata (174449) | |
| Middle Bathonian - Late/Upper Bathonian | France | Burmirhynchia decorata (174615 174630 174631 174632) |