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Didymograptus nicholsoni
Taxonomy
Didymograptus nicholsoni was named by Lapworth (1875).
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. 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 |
|---|---|
| 1875 | Didymograptus nicholsoni Lapworth p. 644 figs. pl. 33, figs 5 a-d |
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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 nicholsoni Lapworth 1875
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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 (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Floian | Morocco (Zagora) | Didymograptus nicholsoni (182906) | |
| Volkhov | Lithuania | Didymograptus nicholsoni (207284) | |
| Darriwilian | Canada (Quebec) | Didymograptus nicholsoni (174725) | |
| Darriwilian | New Zealand | Didymograptus nicholsoni (63957 63958 63962 63966 63970 63971) | |
| Darriwilian - Gisbornian | New Zealand | Didymograptus nicholsoni (63968) | |
| Kunda | Lithuania | Didymograptus nicholsoni (207265) |