Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Franziceras

Cephalopoda - Ammonitida - Psiloceratidae

Taxonomy
Franziceras was named by Buckman (1923). Its type is Franziceras ruidum.

It was assigned to Psiloceratinae by Howarth (2013).

Synonymy list
YearName and author
1923Franziceras Buckman p. 423
2013Franziceras Howarth p. 3

Is something missing? Join the Paleobiology Database and enter the data

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

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. †Franziceras Buckman 1923
show all | hide all
†Franziceras graylockense Taylor 1998
†Franziceras kennecottense Longridge et al. 2008
†Franziceras ruidum Buckman 1923
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height2510.94.4028.011.55.08
diameter2535.314.285.036.015.0
inflation2515.95.7040.015.87.38
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: Hettangian or 201.30000 to 199.30000 Ma

Collections (31 total)


Time interval Ma Country or state Original ID and collection number
Hettangian201.3 - 199.3Mexico (Sonora) Sunrisites sunrisense (201177)
Angulata201.3 - 196.5Canada (British Columbia) F. graylockense (157384 157385 157386 157387 157390)
Angulata201.3 - 196.5USA (Oregon) F. graylockense (157507 157628)
Angulata201.3 - 196.5USA (Nevada) Sunrisites sunrisense (188646)
Late/Upper Hettangian201.3 - 196.5Chile Sunrisites sunrisense (209325)
Late/Upper Hettangian201.3 - 196.5Canada (British Columbia) F. graylockense (53201)
Liasicus201.3 - 196.5USA (Nevada) F. coronoides (188633 188634 188647) F. ruidum (188628)
Liasicus201.3 - 196.5Canada (British Columbia) F. coronoides, F. kennecottense (84964 84972 84975 84976) F. kennecottense (84774 84962 84963 84967 84968 84970 84971)
Liasicus201.3 - 196.5USA (Alaska) F. sp. (68688 68692)
Middle Hettangian201.3 - 196.5Canada (British Columbia) Sunrisites sunrisense (208925 208926 208927)