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Dawsonocerina
Taxonomy
Dawsonocerina was named by Horny (1956) [Sepkoski's age data: S Ludl-l S Prid Sepkoski's reference number: 524].
It was assigned to Orthocerida by Sepkoski (2002); and to Dawsonoceratidae by Horný (1956), Teichert et al. (1964) and Kröger and Isakar (2006).
It was assigned to Orthocerida by Sepkoski (2002); and to Dawsonoceratidae by Horný (1956), Teichert et al. (1964) and Kröger and Isakar (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Dawsonocerina Horny |
| 1956 | Dawsonocerina Horný |
| 1964 | Dawsonocerina Teichert et al. p. 238 |
| 2002 | Dawsonocerina Sepkoski |
| 2006 | Dawsonocerina Kröger and Isakar |
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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. †Dawsonocerina Horny 1956
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Ludfordian to the top of the Pragian or 425.60000 to 407.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludfordian | Czech Republic | D. caelebs (233408) | |
| Pridoli | Czech Republic | D. omega (14080) | |
| Pragian | Czech Republic (Bohemia) | D. discretum (172945) |