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Didymograptus (Expansograptus) validus
Taxonomy
Didymograptus validus was named by Törnquist (1901).
It was recombined as Didymograptus (Expansograptus) validus by Jackson and Lenz (2006).
It was recombined as Didymograptus (Expansograptus) validus by Jackson and Lenz (2006).
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, Expansograptus balhaschensis, Expansograptus extensus, Expansograptus leptotheca, Expansograptus lonchotheca, Expansograptus nicholsoni, Expansograptus suecicus, Expansograptus taimyrensis
Synonymy list
| Year | Name and author |
|---|---|
| 1901 | Didymograptus validus Törnquist |
| 2006 | Didymograptus (Expansograptus) validus Jackson and Lenz p. 1806 figs. 6o, 6p, 14g, 15d |
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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 (Expansograptus) validus Törnquist 1901
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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 et al. 2004, Aberhan 1992 | |||||