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Dixieceras lawsoni

Cephalopoda - Ceratitida - Ceratitidae

Taxonomy
Ceratites (Phillipites) lawsoni was named by Smith (1914). It is a 3D body fossil. Its type locality is Divide between Troy Canyon and South Fork of American Canyon (rotelliformis), which is in an Illyrian marine limestone in Nevada.

It was recombined as Ceratites (Philippites) lawsoni by Smith (1914); it was recombined as Frechites lawsoni by Spath (1934); it was recombined as Dixieceras lawsoni by Monnet and Bucher (2005).

Synonymy list
YearName and author
1914Ceratites (Philippites) lawsoni Smith
1914Ceratites (Phillipites) lawsoni Smith p. 108 figs. Pl 56, figs 1-13; pl 17, figs 1-17
1934Frechites lawsoni Spath
2005Dixieceras lawsoni Monnet and Bucher p. 23 figs. 16,17,21,22; pls 10-12, pl 18, figs 1,2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyCeratitoidea(Mojsisovics 1879)
familyCeratitidaeMojsisovics 1879
subfamilyBeyrichitinae()
genusDixieceras
specieslawsoni()

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.

†Dixieceras lawsoni Smith 1914
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height3635.0--35.0-
shell diameter3635.014.176.236.115.0
shell inflation3616.5--16.5-

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: Illyrian or 247.20000 to 242.00000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Illyrian247.2 - 242.0USA (Nevada) Ceratites lawsoni (type locality: 142669) Dixieceras lawsoni (115467 115472 115506 115527 115528 115529 115530 115533 115534 115535 115536 115537)