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Psiloceras planorbis

Cephalopoda - Ammonitida - Psiloceratidae

Taxonomy
Ammonites planorbis was named by Sowerby (1824). It is the type species of Psiloceras, Psiloceras (Psiloceras).

It was recombined as Psiloceras (Psiloceras) planorbis by Hallam (1960); it was recombined as Psiloceras planorbis by Maisch and Kapitzke (2010), Hillebrandt and Kment (2015).

Synonymy list
YearName and author
1824Ammonites planorbis Sowerby
1960Psiloceras (Psiloceras) planorbis Hallam
2010Psiloceras planorbis Maisch and Kapitzke p. 375
2015Psiloceras planorbis Hillebrandt and Kment p. 289 figs. 5.6-5.8, 6.3, 6.4, 7.1a,b

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familyPsiloceratidaeHyatt 1867
genusPsiloceras
speciesplanorbis(Sowerby 1824)

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.

Psiloceras planorbis Sowerby 1824
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height414.110.023.013.45.93
shell diameter440.830.060.040.715.2
shell inflation415.711.022.016.55.80

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 2004, Kiessling 2003

Age range: Early/Lower Hettangian or 201.40000 to 199.50000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Rhaetian - Hettangian205.7 - 199.5United Kingdom (England) Ammonites planorbis (96611)
Early/Lower Hettangian201.4 - 199.5France Psiloceras planorbis (39215)
Early/Lower Hettangian201.4 - 199.5Austria Psiloceras planorbis (182928)
Early/Lower Hettangian201.4 - 199.5United Kingdom (England) Psiloceras planorbis (29227 29228)
Hettangian201.4 - 199.5Canada (British Columbia) Psiloceras planorbis (157528)
Hettangian201.4 - 199.5United Kingdom (Yorkshire) Psiloceras planorbis (219462)
Planorbis201.4 - 199.5Austria Psiloceras planorbis (182930)
Planorbis201.4 - 199.5United Kingdom (England) Psiloceras planorbis (78501)
Planorbis201.4 - 199.5France Psiloceras planorbis (39381 39382 39387)
Early/Lower Jurassic201.4 - 174.7United Kingdom (England) Ammonites planorbis (84121)