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Grammoceras

Cephalopoda - Ammonitida - Hildoceratidae

Taxonomy
Grammoceras was named as a genus. It is not extant.

It was reranked as Arieticeras (Grammoceras) by Gemmellaro (1885); it was reranked as Harpoceras (Grammoceras) by Thevenin (1908).

It was assigned to Arieticeras by Gemmellaro (1885); to Harpoceras by Thevenin (1908); to Ammonoidea by Sepkoski (2002); and to Grammoceratinae by Howarth (2013).

Synonyms
Synonymy list
YearName and author
1885Arieticeras (Grammoceras) Gemmellaro
1908Harpoceras (Grammoceras) Thevenin
1926Costigrammoceras Buckman
2002Grammoceras Sepkoski
2013Grammoceras Howarth p. 87

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyGrammoceratinaeBuckman 1904
genusGrammoceras

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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Grammoceras normanianum d'Orbigny 1900
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Invalid names: Costigrammoceras costigerum Buckman 1926 [synonym]
Grammoceras striatulum Sowerby 1825
Grammoceras thouarsense d'Orbigny 1844
Grammoceras timorense Krumbeck 1923
Invalid names: Costigrammoceras Buckman 1926 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height231.0--31.0-
diameter297.680.8118.099.426.3
inflation244.338.451.044.78.91
shell height2517.911.833.017.06.09
shell diameter2554.830.5107.452.723.5
shell inflation2522.210.548.420.311.7

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 Sinemurian to the top of the Early/Lower Aalenian or 199.30000 to 171.60000 Ma

Collections (70 total)


Time interval Ma Country or state Original ID and collection number
Sinemurian199.3 - 190.8Indonesia (Timor) G. timorense (205680)
Toarcian182.7 - 174.1Svalbard and Jan Mayen G. saemanni (213099)
Toarcian182.7 - 174.1Chile (Atacama) G. sp. (221805 221828)
Toarcian182.7 - 174.1Canada (Yukon) G. sp. (53224 53236)
Toarcian182.7 - 174.1Germany (Bavaria) G. thouarsense (49708)
Toarcian182.7 - 174.1France G. sp. (210864) G. sp., G. thouarsense, G. striatulum (210878) G. thouarsense (210820) G. thouarsense, G. striatulum (210861)
Levesquei182.0 - 175.6Germany G. thouarsense (59522)
Middle Toarcian - Late/Upper Toarcian182.0 - 175.6Canada (British Columbia) G. sp., G. thouarsense (53091)
Late/Upper Toarcian180.1 - 175.6Canada (British Columbia) G. sp. (56405 56418 59529 59533 59548) G. thouarsense (56411 56414 57792 57793 57794)
Late/Upper Toarcian180.1 - 175.6France G. sp., G. thouarsense, G. penestriatulum (161668)
Late/Upper Toarcian180.1 - 175.6United Kingdom (Yorkshire) G. penestriatulum (220498) G. sp. (220486 220487 220488 220492)
Late/Upper Toarcian180.1 - 175.6Slovakia G. thouarsense (218344)
Thouarsense180.1 - 175.6France (Vendée) G. penestriatulum (148981)
Thouarsense180.1 - 175.6France (Deux-Sèvres) G. penestriatulum (148982 148983 148984) G. thouarsense (148975 148978 148980) G. thouarsense, G. penestriatulum (148979)
Thouarsense180.1 - 175.6Spain G. peneglabrum (146977) G. penestriatulum (146978 146979 146983)
Thouarsense180.1 - 175.6France (Deux-Sevrès) G. comptum, G. thouarsense, G. penestriatulum (140872 147169) G. penestriatulum (140873 147170)
Thouarsense180.1 - 175.6Hungary G. striatulum (147229) G. thouarsense (107909 108463 108477 108573 108589 108626 108627 108679 147230)
Thouarsense180.1 - 175.6France (Vienne) G. thouarsense (148977) G. thouarsense, G. penestriatulum (148976)
Thouarsense180.1 - 175.6Luxembourg G. thouarsense (141386 141389 141390)
Thouarsense180.1 - 175.6Bulgaria G. thouarsense (151008)
Thouarsense180.1 - 175.6France G. penestriatulum (167410) G. thouarsense, G. penestriatulum (148809)
Thouarsense180.1 - 175.6Germany G. striatulum (59415) G. thouarsense (59414)
Late/Upper Toarcian - Aalenian180.1 - 170.3France G. fluitans, G. aalense, G. costulatum, G. lotharingicum, G. steinmanni, G. moorei, G. mactra, G. subcomptum (51501)
Early/Lower Aalenian175.6 - 171.6Russian Federation G. sp. (129813)
Aalenian174.1 - 170.3Russian Federation G. sp. (129769 129772)