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Didymograptus protobalticus
Taxonomy
Didymograptus protobalticus was named by Monsen (1937).
It was recombined as Cymatograptus protobalticus by Toro and Maletz (2008), Lo Valvo et al. (2020).
It was recombined as Cymatograptus protobalticus by Toro and Maletz (2008), Lo Valvo et al. (2020).
Sister species lacking formal opinion data
D. acutus, D. adamantinus, D. affinis, D. asperus, D. bifidis, D. caduceus, D. clavalus, D. compressus, D. denticulatus, D. dilatans, D. eudous, D. formosus, D. geminus, D. geminus, D. gemminus, D. halli, D. indentus, D. missilis, D. mundus, D. navis, D. nicholsoni, D. nicholsoni, D. nilidus, D. pakrianus, D. perneri, D. protoindentus, D. retroflexus, D. rigoletto, D. sagitticaulis, D. serratulus, D. simulans, D. aequalis
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Didymograptus protobalticus Monsen |
| 2008 | Cymatograptus protobalticus Toro and Maletz p. 981 |
| 2020 | Cymatograptus protobalticus Lo Valvo et al. p. 542 fig. 3.8 |
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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.
†Didymograptus protobalticus Monsen 1937
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Argentina (Jujuy) | Cymatograptus protobalticus (220275) | |
| Hunneberg | Russian Federation | Didymograptus protobalticus (198704) | |
| Hunneberg | Russian Federation (St. Petersburg) | Didymograptus protobalticus (191293 191294 191295 191296 191316 191317 191318) | |
| Floian | Argentina (Jujuy) | Cymatograptus protobalticus (220286) | |
| Floian | Norway (Oslo-Asker) | Didymograptus protobalticus (191050) | |
| Floian | Norway (Modum) | Didymograptus protobalticus (191052) | |
| Arenigian | Argentina (Jujuy) | Cymatograptus protobalticus (220304 220317 220318) |