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Paracenoceras hexagonum

Cephalopoda - Nautilida - Paracenoceratidae

Taxonomy
Nautilus hexagonus was named by Sowerby (1826).

It was recombined as Paracenoceras hexagonum by Kummel (1956), Tinant (1987), Halder and Bardhan (1996).

Sister species lacking formal opinion data
P. dorsoexcavatum, P. franconicus

Synonyms
Synonymy list
YearName and author
1826Nautilus hexagonus Sowerby p. 55 figs. Pl. 529
1873Nautilus wandaensis Waagen p. 17 figs. Pl 4, figs 3a,b
1914Nautilus hexagonus von Loesch p. 138
1956Paracenoceras hexagonum Kummel p. 402 figs. Pl 8, fig 1; pl 13, figs 1,2
1987Paracenoceras hexagonum Tinant p. 105 figs. Pl 11, figs 1,2; text-fig 23
1996Paracenoceras hexagonum Halder and Bardhan p. 20 figs. 1, 2, 4, 5A-D

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassNautilia(Wade 1988)
orderNautilidaAgassiz 1847
superfamilyNautiloidea(de Blainville 1825)
familyParacenoceratidaeSpath 1927
genusParacenocerasSpath 1927
specieshexagonum(Sowerby 1826)

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.

†Paracenoceras hexagonum Sowerby 1826
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Invalid names: Nautilus wandaensis Waagen 1873 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height347.425.079.054.027.0
shell diameter384.045.0140.094.047.5
shell inflation313.47.0019.018.06.66

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:35:00
Modified: 2009-09-27 12:10:42
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Bathonian to the top of the Early/Lower Kimmeridgian or 168.20000 to 152.21000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Bathonian168.2 - 165.3Saudi Arabia Paracenoceras hexagonum (48300)
Middle Oxfordian161.5 - 154.8Saudi Arabia Paracenoceras hexagonum (225466)
Oxfordian161.5 - 154.8Egypt Nautilus hexagonus (171262)
Oxfordian161.5 - 154.8India (Gujarat) Paracenoceras hexagonum (98372)
Oxfordian161.5 - 154.8Ethiopia Paracenoceras hexagonum (94495)
Oxfordian161.5 - 154.8Saudi Arabia Paracenoceras hexagonum (45563 45991 46047)
Oxfordian - Early/Lower Kimmeridgian161.5 - 152.21Somalia Paracenoceras hexagonum (100372)
Early/Lower Kimmeridgian154.8 - 152.21Saudi Arabia Paracenoceras hexagonum (225469)
Kimmeridgian154.8 - 149.2Saudi Arabia Paracenoceras hexagonum (45650)