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Pachydiscus (Pachydiscus) jeani

Cephalopoda - Ammonitida - Pachydiscidae

Taxonomy
Pachydiscus jeani was named by de Grossouvre (1894). It is a 3D body fossil. Its type locality is Road from Sougraigne to Les Croutets (bancs inferieurs de rudistes), which is in a Santonian carbonate marl in France.

It was recombined as Pachydiscus (Pachydiscus) jeani by Kennedy (1995).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1894Pachydiscus jeani de Grossouvre p. 187 figs. Pl 26, fig 5
1995Pachydiscus (Pachydiscus) jeani Kennedy p. 403 figs. Pl 12, figs 1-6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyDesmoceratoidea(Zittel 1895)
familyPachydiscidaeSpath 1922
genusPachydiscusZittel 1884
subgenusPachydiscusZittel 1884
speciesjeani(de Grossouvre 1894)

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.

Pachydiscus (Pachydiscus) jeani de Grossouvre 1894
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height148.5
shell diameter1104.0
shell inflation118.7

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: Late/Upper Santonian or 85.80000 to 83.50000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Santonian85.8 - 83.5France Pachydiscus jeani (179587 179603 179604)