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Gyrophioceras morganense

Cephalopoda - Ammonitida - Arietitidae

Taxonomy
Paracaloceras (Gyrophioceras) morganense was named by Taylor (1998). Its type specimen is NWMNH 25036, a shell, and it is a 3D body fossil. Its type locality is Graylock section, P. morganense assemblage, which is in an Angulata marine limestone in the Graylock Formation of Oregon.

It was recombined as Paracaloceras morganense by Taylor (1998); it was recombined as Gyrophioceras morganense by Taylor and Guex (2002) and Longridge et al. (2008).

Synonymy list
YearName and author
1998Paracaloceras (Gyrophioceras) morganense Taylor p. 490 figs. 21.7, 21.8, 21.11, 21.12, 22
1998Paracaloceras morganense Taylor p. 490 figs. 21.7-21.8, 21.11-21.12, 22
2002Gyrophioceras morganense Taylor and Guex figs. Pl 2, figs 1,2,4
2008Gyrophioceras morganense Longridge et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familyArietitidaeHyatt 1875
subfamilyArietitinaeHyatt 1875
genusGyrophioceras
speciesmorganense()

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.

†Gyrophioceras morganense Taylor 1998
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height110.3
shell diameter147.8
shell inflation130.1

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: Angulata or 201.30000 to 196.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Angulata201.3 - 196.5USA (Oregon) Gyrophioceras morganense (157626 157627) Paracaloceras morganense (type locality: 157507)
Angulata201.3 - 196.5Canada (British Columbia) Gyrophioceras morganense (84812)