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Gravesia

Cephalopoda - Ammonitida - Aulacostephanidae

Taxonomy
Gravesia is a genus. It is not extant. Its type is Ammonites gigas. It is the type genus of Gravesiinae.

It was assigned to Aulacostephaninae by Mesezhnikov (1984); to Gravesiinae by Zeiss (1987); to Ammonoidea by Sepkoski (2002); and to Aulacostephanidae by Grigore and Marcu (2009).

Species
G. gigas, G. gravesiana, G. polypleura
Species lacking formal opinion data
G. gigas, G. portlandica
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2018-05-11

Synonymy list
YearName and author
1984Gravesia Mesezhnikov p. 135
1987Gravesia Zeiss p. 229
2002Gravesia Sepkoski
2009Gravesia Grigore and Marcu p. 352

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyAulacostephanidaeSpath 1924
genusGravesia

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. †Gravesia
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†Gravesia gigas Zieten 1830
†Gravesia gravesiana d'Orbigny 1850
†Gravesia polypleura Hahn 1963
Diagnosis
No diagnoses are available
Measurements
partNmean
shell height132.6
shell diameter196.0
shell inflation140.3

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 2003, Kiessling 2004

Age range: base of the Early/Lower Kimmeridgian to the top of the Late/Upper Tithonian or 154.80000 to 143.10000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Kimmeridgian154.8 - 152.21Switzerland (Jura) G. gigas (185668)
Late/Upper Kimmeridgian152.21 - 149.2Romania G. gravesiana (198399)
Early/Lower Tithonian149.2 - 145.06Germany (Bayern) G. gigas (13412) G. gigas, G. gravesiana (13414)
Early/Lower Tithonian149.2 - 145.06Germany G. gigas (193330) G. gravesiana (13413 34608 193335) G. sp. (193336)
Early/Lower Tithonian149.2 - 145.06France (Midi-Pyrenees) G. gravesiana (94549)
Early/Lower Tithonian149.2 - 145.06Russian Federation (Khanty-Mansi Autonomous Okrug) G. polypleura (58784)
Late/Upper Tithonian145.06 - 143.1France (Poitou-Charentes) G. portlandica (141258)