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Pachydiscus neevesi

Cephalopoda - Ammonitida - Pachydiscidae

Taxonomy
Pachydiscus neevesi was named by Whiteaves (1903).

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

Synonyms
  • Parapachydiscus bidwelli was named by Anderson (1958). Its type specimen is CAS 27838.04, a shell, and it is a 3D body fossil. Its type locality is CAS Loc. 27838, Chico Creek, which is in a Campanian marine sandstone in the Chico Formation of California.

    It was synonymized subjectively with Pachydiscus neevesi by Matsumoto (1959).
Synonymy list
YearName and author
1903Pachydiscus neevesi Whiteaves
1958Parapachydiscus bidwelli Anderson p. 228 figs. Pl 51, figs 5,5a; pl 54, fig 1

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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
speciesneevesiWhiteaves 1903

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 neevesi Whiteaves 1903
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Invalid names: Parapachydiscus bidwelli Anderson 1958 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmean
shell height160.0
shell diameter1150.0
shell inflation136.4

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 Early/Lower Campanian to the top of the Campanian or 83.50000 to 72.10000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1USA (California) Pachydiscus neevesi (86938 225737)
Early/Lower Campanian83.5 - 70.6USA (California) Parapachydiscus bidwelli (44277)