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Nebraskites
Taxonomy
Nebraskites was named by Kennedy and Cobban (1988) [Sepkoski's age data: K Turo-u]. Its type is Nebraskites haresiceratiforme.
It was assigned to Acanthoceratinae by Chancellor et al. (1994) and Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
It was assigned to Acanthoceratinae by Chancellor et al. (1994) and Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).
Species
N. haresiceratiforme (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Nebraskites Kennedy and Cobban |
| 1994 | Nebraskites Chancellor et al. p. 25 |
| 1996 | Nebraskites Wright et al. p. 162 |
| 2002 | Nebraskites Sepkoski |
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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. †Nebraskites Kennedy and Cobban 1988
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†Nebraskites haresiceratiforme Kennedy and Cobban 1988
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | Progenetic dwarf offshoot, perhaps of Watinoceras. Very involute and flat-sided, with narrow, tabulate venter; feeble umbilical bullae giving rise to pairs of ribs with incipient inner and clavate outer ventrolateral tubercles joined across venter by a low rib; ribs single on body chamber, strengthening near aperture. |