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Pachydiscus (Pachydiscus) australis

Cephalopoda - Ammonitida - Pachydiscidae

Taxonomy
Pachydiscus (Pachydiscus) australis was named by Henderson and McNamara (1985). Its type specimen is WAM 80.1004, a shell, and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1985Pachydiscus (Pachydiscus) australis Henderson and McNamara p. 76 figs. Pl 8, figs 1,2,7-10; text-figs 12a,13b,14,15a
2001Pachydiscus (Pachydiscus) australis Klinger et al. p. 281 figs. Pl 4, figs 1-11; pl 5, figs 1-5; pl 6, figs 1-3;pl 7, figs 1-3; text-fig 2

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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
speciesaustralis

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) australis Henderson and McNamara 1985
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height546.928.972.045.218.3
shell diameter5103.962.0151.0104.638.9
shell inflation527.916.041.929.99.80

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 Maastrichtian or 70.60000 to 66.00000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.1 - 66.0Australia (Western Australia) Pachydiscus australis (83845 83850 83851 83852 83853 83854 83855 83857 83860 83862 83863 157777 157778 157781 157784 157785 157786 157787 157788 157789 157790 157792)
Late/Upper Maastrichtian70.6 - 66.0South Africa Pachydiscus australis (166277)