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Glyptoxoceras subcompressum

Cephalopoda - Ammonitida - Diplomoceratidae

Taxonomy
Hamites subcompressus was named by Forbes (1846). It is a 3D body fossil. Its type locality is Pondicherry, which is in a Maastrichtian marine sandstone/claystone in the Valudavur Formation of India.

It was recombined as Neohamites subcompressus by Brunnschweiler (1966), Atabekyan and Khakimov (1976); it was synonymized subjectively with Glyptoxoceras rugatum by Kennedy and Henderson (1992); it was recombined as Glyptoxoceras subcompressum by Haggart and Graham (2018).

Synonymy list
YearName and author
1846Hamites subcompressus Forbes p. 116 figs. Pl 11, fig 6
1966Neohamites subcompressus Brunnschweiler p. 51 figs. Pl 7, figs 10,11; pl 8, fig 1; text-fig 34
1976Neohamites subcompressus Atabekyan and Khakimov p. 63 figs. Pl 10, figs 6,7
2018Glyptoxoceras subcompressum Haggart and Graham p. 283

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAncyloceratinaWiedmann 1966
superfamilyTurrilitoidea(Gill 1871)
familyDiplomoceratidaeSpath 1926
subfamilyDiplomoceratinaeSpath 1926
genusGlyptoxocerasSpath 1925
speciessubcompressum()

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
No measurements are available
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 Late/Upper Santonian to the top of the Early/Lower Maastrichtian or 85.70000 to 66.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Santonian85.7 - 83.6Canada (British Columbia) Glyptoxoceras subcompressum (210547)
Late/Upper Santonian85.7 - 83.6South Africa Didymoceras subcompressum (82629)
Early/Lower Campanian83.6 - 72.2South Africa Glyptoxoceras subcompressum (82466)
Late/Upper Campanian83.6 - 72.2Tajikistan Neohamites subcompressus (186532)
Early/Lower Maastrichtian72.2 - 66.0USA (California) Glyptoxoceras subcompressum (225933)
Early/Lower Maastrichtian72.2 - 66.0Netherlands Glyptoxoceras subcompressum (82927)
Late/Upper Maastrichtian72.2 - 66.0India Hamites subcompressus (type locality: 41428)
Maastrichtian72.2 - 66.0USA (California) Diplomoceras mustangense (185758)
Maastrichtian72.2 - 66.0Australia (Western Australia) Glyptoxoceras subcompressum (82389)