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Pachydiscus (Pachydiscus) oldhami

Cephalopoda - Ammonitida - Pachydiscidae

Taxonomy
Ammonites oldhami was named by Sharpe (1855) [DISTRIBUTION: Campanian; Europe.]. It is not a trace fossil.

It was recombined as Pachydiscus (Pachydiscus) oldhami by Kennedy (1986) and Kennedy (1993).

Sister species lacking formal opinion data
P. gollevilensis, P. japonicus, P. suciaensis, P. vaju

Synonymy list
YearName and author
1855Ammonites oldhami Sharpe p. 40 figs. pl. 3, fig. 4
1986Pachydiscus (Pachydiscus) oldhami Kennedy p. 40 figs. Pl 3; pl 4, figs 4,5; pl 5, figs 1-3; text-figs 4A, 15, 16, 18
1993Pachydiscus (Pachydiscus) oldhami Kennedy p. 104

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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
speciesoldhami(Sharpe 1855)

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.

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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height120.5
shell diameter155.0
shell inflation118.2

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: base of the Late/Upper Campanian to the top of the Campanian or 83.50000 to 72.10000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1Turkey Pachydiscus oldhami (130884)
Late/Upper Campanian83.5 - 70.6France Pachydiscus oldhami (165828 165829 165830 165831 165832 165833 165834 165835 165836 165837 165838)
Late/Upper Campanian83.5 - 70.6Belgium Pachydiscus oldhami (82895)
Late/Upper Campanian83.5 - 70.6Spain Pachydiscus oldhami (67549)
Late/Upper Campanian83.5 - 70.6France (Landes) Pachydiscus oldhami (213776 213777 213821)