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Nekewis

Gastropoda - Neogastropoda - Perissityidae

Taxonomy
Nekewis was named by Stewart (1927) [Sepkoski's age data: K Maes T Ol-l Sepkoski's reference number: 794].

It was assigned to Turridae by Turner (1938), Durham (1944); to Turriculinae by Hickman (1976); to Tudiclidae by Zinsmeister (1983); to Perissityidae by Popenoe and Saul (1987), Saul (1988); and to Neogastropoda by Sepkoski (2002).

Species
N. io (syn. Surcula ioformis, Surcula alizensis), N. marina, N. nehalemensis, N. scowensis, N. seidersi, N. simiensis
Species lacking formal opinion data
N. costallatus, N. sekii
Entered
by J. Sepkoski on 2003-01-23; modified by J. Marcot on 2025-04-03

Synonymy list
YearName and author
1927Nekewis Stewart pp. 421, 422 figs. Plate XXX, fig. 11
1938Nekewis Turner p. 70
1944Nekewis Durham p. 184
1976Nekewis Hickman p. 52
1983Nekewis Zinsmeister p. 1299
1987Nekewis Popenoe and Saul p. 12
1988Nekewis Saul p. 11
2002Nekewis Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
orderNeogastropodaThiele 1929
superfamilyBuccinaceae(Rafinesque 1815)
familyPerissityidae
genusNekewis

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. †Nekewis Stewart 1927
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†Nekewis io Gabb 1864
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Invalid names: Surcula alizensis Anderson and Hanna 1925 [synonym], Surcula ioformis Anderson and Hanna 1925 [synonym]
†Nekewis marina Saul 1988
†Nekewis nehalemensis Anderson and Martin 1914
†Nekewis scowensis Durham 1944
†Nekewis seidersi Saul 1988
†Nekewis simiensis Zinsmeister 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobileo
Life habit: epifaunalo
Diet: carnivoreo
Vision: limitedc
Created: 2004-02-29 11:41:42
Modified: 2009-09-10 10:56:35
Source: o = order, c = class
Reference: Kiessling 2004

Age range: base of the Late/Upper Campanian to the top of the Rupelian or 83.60000 to 27.30000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2USA (California) N. marina (215573)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Mexico (Baja California) N. marina (72063)
Early/Lower Maastrichtian72.2 - 66.0Japan N. sp. (4891 4893)
Early/Lower Maastrichtian - Late/Upper Maastrichtian72.2 - 66.0USA (California) N. marina (220372)
Late/Upper Maastrichtian72.2 - 66.0USA (California) N. seidersi (220391)
Danian66.0 - 61.66Greenland N. sp. (22943)
Thanetian59.24 - 56.0USA (California) N. simiensis (205394)
Eocene56.0 - 33.9USA (California) Surcula io (207112) Surcula ioformis, Surcula io (207113)
Lutetian48.07 - 41.03USA (California) N. io (200745 200754 200763 200764)
Lutetian - Bartonian48.07 - 37.71Russian Federation (Kamchatka) N. costallatus (7275)
Middle Eocene48.07 - 37.71USA (California) N. io (191188 191189)
Bartonian41.03 - 37.71Japan N. sekii (70903)
Priabonian37.71 - 33.9USA (Washington) N. nehalemensis (91606)
Priabonian37.71 - 33.9USA (Oregon) N. nehalemensis (38936)
Rupelian33.9 - 27.3USA (Oregon) Thais nehalemensis (180445)
Rupelian33.9 - 27.3USA (Washington) N. scowensis (180419)
Oligocene33.9 - 23.04USA (Washington) N. nehalemensis (208146)