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Dyticospirifer
Taxonomy
Dyticospirifer was named by Johnson (1966) [Sepkoski's age data: D Sieg-l Sepkoski's reference number: 25]. Its type is Dyticospirifer mccolleyensis.
It was assigned to Delthyrinae by Johnson (1966); to Delthyridinae by Johnson (1970); to Spiriferida by Sepkoski (2002); and to Hysterolitinae by Johnson (1995) and Williams et al. (2006).
It was assigned to Delthyrinae by Johnson (1966); to Delthyridinae by Johnson (1970); to Spiriferida by Sepkoski (2002); and to Hysterolitinae by Johnson (1995) and Williams et al. (2006).
Species
D. mccolleyensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Dyticospirifer Johnson pp. 1043 - 1044 |
| 1970 | Dyticospirifer Johnson p. 193 |
| 1995 | Dyticospirifer Johnson p. 198 |
| 2002 | Dyticospirifer Sepkoski |
| 2006 | Dyticospirifer Williams et al. p. 1830 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. G. Johnson 1966 | Acrospiriferoid species with bifurcating lateral plications and with a smooth fold and sulcus. | |
| J. G. Johnson 1970 | Acrospiriferoid species with bifurcating lateral plications and with a smooth fold and sulcus. |