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Macrogrammites

Cephalopoda - Ammonitida - Schlotheimiidae

Taxonomy
Macrogrammites was named by Buckman (1928).

It was assigned to Schlotheimiidae by Howarth (2013).

Synonyms
Synonymy list
YearName and author
1928Macrogrammites Buckman p. 761A
1941Storthoceras Lange p. 41
2013Macrogrammites Howarth p. 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familySchlotheimiidaeSpath 1923
genusMacrogrammitesBuckman 1928

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. †Macrogrammites Buckman 1928
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Invalid names: Storthoceras Lange 1941 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height229.625.8017.19.502.63
diameter2226.814.056.228.59.37
inflation229.494.1026.010.04.81
shell height114.6----
shell diameter138.2----
shell inflation19.10----

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 19:14:55
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: base of the Late/Upper Triassic to the top of the Late/Upper Hettangian or 237.00000 to 199.50000 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Triassic237.0 - 201.4Chile Storthoceras australe (209292)
Late/Upper Hettangian201.4 - 199.5Peru Storthoceras circacostatum (209239) Storthoceras frigga (209232)
Liasicus201.4 - 199.5Canada (British Columbia) Storthoceras australe (84971) Storthoceras garfieldense (84742 84775 84967 84968 84970 84975 84981) Storthoceras garfieldense, Storthoceras australe (84973 84979) Storthoceras sp., Storthoceras garfieldense (84964)
Liasicus201.4 - 199.5USA (Nevada) Saxoceras garfieldense (157509)
Middle Hettangian201.4 - 199.5Chile Storthoceras australe (209244 209307 209308 209319 209361 209510 209542 209604) Storthoceras sp. (209348 209567)
Middle Hettangian201.4 - 199.5Argentina (Mendoza) Storthoceras australe (209628)
Middle Hettangian201.4 - 199.5Peru Storthoceras australe (209053 209228 209238)