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Eolytoceras constrictum

Cephalopoda - Ammonitida - Lytoceratidae

Taxonomy
Eolytoceras constrictum was named by Longridge et al. (2008). Its type specimen is GSC 128985, a shell, and it is a 3D body fossil. Its type locality is GSC C-208961, Section A 15, Castle Pass, which is in an Angulata marine siltstone in the Last Creek Formation of Canada.

Synonymy list
YearName and author
2008Eolytoceras constrictum Longridge p. 381 figs. Pl 1, figs 3-4,24-25; text-figs 9N, 10D
2008Eolytoceras constrictum Longridge et al.
2008Eolytoceras constrictum Longridge et al. p. 381 figs. Pl 1, figs 3-4,24-25; text-figs 9N, 10D
2010Eolytoceras constrictum Meister et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyLytoceratoidea(Neumayr 1875)
familyLytoceratidaeNeumayr 1875
subfamilyPleuroacanthitinae(Hyatt 1900)
genusEolytoceras
speciesconstrictum

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.

†Eolytoceras constrictum Longridge et al. 2008
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height226.624.728.726.72.83
diameter281.179.283.081.12.69
inflation232.030.433.632.02.26
shell height68.044.8010.99.402.50
shell diameter622.112.629.826.16.97
shell inflation68.714.5011.811.13.25

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 Middle Hettangian to the top of the Angulata or 201.40000 to 199.50000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Angulata201.4 - 199.5Canada (British Columbia) Eolytoceras constrictum (84744 84746 84747 84767 84784 157363 157365 type locality: 157372 157373 157375)
Late/Upper Hettangian201.4 - 199.5Canada (British Columbia) Eolytoceras constrictum (53363)
Middle Hettangian - Early/Lower Sinemurian201.4 - 192.9New Caledonia Eolytoceras constrictum (198416)