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Pachydictya
Taxonomy
Pachydictya was named by Ulrich (1882).
It was assigned to Rhinidictyonidae by Bassler (1911) and Bassler (1953); to Cryptostomata by Sepkoski (2002); and to Rhinidictyidae by Jiménez-Sánchez et al. (2010) and Ma et al. (2015).
It was assigned to Rhinidictyonidae by Bassler (1911) and Bassler (1953); to Cryptostomata by Sepkoski (2002); and to Rhinidictyidae by Jiménez-Sánchez et al. (2010) and Ma et al. (2015).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Pachydictya Ulrich |
| 1911 | Pachydictya Bassler |
| 1953 | Pachydictya Bassler p. G141 |
| 2002 | Pachydictya Sepkoski |
| 2010 | Pachydictya Jiménez-Sánchez et al. p. 707 |
| 2015 | Pachydictya Ma et al. p. 927 |
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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. †Pachydictya Ulrich 1882
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†Pachydictya bifurcata Hall 1883
†Pachydictya cyclostomoides Eichwald 1855
†Pachydictya elegans Ulrich 1893
†Pachydictya robusta Ulrich 1882
†Pachydictya sheldonensis Ross 1963
Diagnosis
No diagnoses are available