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Turrilitoides
Taxonomy
Turrilitoides was named by Spath (1923) [Sepkoski's age data: K Albi-m K Albi-u Sepkoski's reference number: 1066].
It was assigned to Turrilitaceae by Wright et al. (1996); to Ammonoidea by Sepkoski (2002); to Turrilitinae by Szives (2007); and to Nostoceratidae by Shigeta (2014).
It was assigned to Turrilitaceae by Wright et al. (1996); to Ammonoidea by Sepkoski (2002); to Turrilitinae by Szives (2007); and to Nostoceratidae by Shigeta (2014).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Turrilitoides Spath p. 75 |
| 1996 | Turrilitoides Wright et al. p. 241 |
| 2002 | Turrilitoides Sepkoski |
| 2007 | Turrilitoides Szives p. 114 |
| 2014 | Turrilitoides Shigeta p. 1 |
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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. †Turrilitoides Spath 1923
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†Turrilitoides hugardianus d'Orbigny 1842
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Invalid names: Turrilites densicostatus Passendorfer 1930 [synonym], Turrilites intermedius Pictet and Campiche 1861 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | More tightly coiled than Proturrilitoides, with apical angle more acute, whorl section oval or angular, and sides flatter; siphuncle at upper margin of side; aperture with strong constriction, collared on both sides. |