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Franziceras graylockense

Cephalopoda - Ammonitida - Psiloceratidae

Taxonomy
Franziceras graylockense was named by Taylor (1998). Its type specimen is NWMNH 25025, 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.

Synonymy list
YearName and author
1998Franziceras graylockense Taylor p. 479 figs. 12, 13.3-13.5, 13.14-13.15
2002Franziceras graylockense Taylor and Guex figs. Pl 2, figs 3,12,13
2008Franziceras graylockense Longridge et al. p. 390 figs. Pl 3, figs 18-20; text-fig 9J

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familyPsiloceratidaeHyatt 1867
subfamilyPsiloceratinaeHyatt 1867
genusFranzicerasBuckman 1923
speciesgraylockense

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.

†Franziceras graylockense Taylor 1998
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height37.224.709.108.802.46
shell diameter325.215.933.929.89.43
shell inflation312.37.6017.314.14.94

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 2004, Kiessling 2003

Age range: Angulata or 201.30000 to 196.50000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Angulata201.3 - 196.5Canada (British Columbia) Franziceras graylockense (157384 157385 157386 157387 157390)
Angulata201.3 - 196.5USA (Oregon) Franziceras graylockense (type locality: 157507 157628)
Late/Upper Hettangian201.3 - 196.5Canada (British Columbia) Franziceras graylockense (53201)