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Gaudryceras (Gaudryceras) varicostatum

Cephalopoda - Ammonitida - Tetragonitidae

Taxonomy
Gaudryceras varicostatum was named by van Hoepen (1921).

It was recombined as Gaudryceras (Gaudryceras) varicostatum by Kennedy (1995).

Synonymy list
YearName and author
1921Gaudryceras varicostatum van Hoepen p. 7 figs. Pl 2, figs 10-12; text-figs 3,4
1979Gaudryceras varicostatum Kennedy and Klinger p. 133 figs. Pl 3, figs 1-3; pl 4; pl 7, fig 2; pl 14, fig 11; text-fig 1
1985Gaudryceras varicostatum Zaborski p. 10
1995Gaudryceras (Gaudryceras) varicostatum Kennedy p. 390 figs. Pl 2, figs 4,7,8

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyTetragonitoidea(Hyatt 1900)
familyTetragonitidaeHyatt 1900
subfamilyGaudryceratinae(Spath 1927)
genusGaudrycerasde Grossouvre 1894
subgenusGaudrycerasde Grossouvre 1894
speciesvaricostatum(van Hoepen 1921)

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.

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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height313.29.8017.213.73.70
diameter338.529.349.039.69.85
inflation316.514.018.517.22.32
shell height124.2----
shell diameter165.8----
shell inflation126.4----

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Coniacian to the top of the Late/Upper Campanian or 89.80000 to 70.60000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 86.3South Africa Gaudryceras varicostatum (71002)
Santonian86.3 - 83.6South Africa Gaudryceras varicostatum (66070)
Late/Upper Santonian85.8 - 83.5France Gaudryceras varicostatum (179119)
Middle Santonian - Late/Upper Santonian85.8 - 83.5France Gaudryceras varicostatum (179198)
Late/Upper Campanian83.5 - 70.6Nigeria Gaudryceras varicostatum (69626)