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Proclydonautilus squawensis

Cephalopoda - Nautilida - Clydonautilidae

Taxonomy
Proclydonautilus squawensis was named by Kummel (1953). Its type specimen is USNM 74124, a shell, and it is a 3D body fossil. Its type locality is Bear Cove, north end and east side of Brock Mountain, which is in a Tuvalian carbonate limestone in the Hosselkus Formation of California.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1953Proclydonautilus squawensis Kummel p. 83 figs. Pl 8, figs 1-7; text-fig 42

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassNautilia(Wade 1988)
orderNautilidaAgassiz 1847
superfamilyClydonautiloidea(Hyatt in Zittel 1900)
familyClydonautilidaeHyatt in Zittel 1900
genusProclydonautilusMojsisovics 1902
speciessquawensis

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
partNmeanminimummaximummedians.d.
shell height311.74.5032.011.014.4
shell diameter318.77.0052.018.023.5
shell inflation30.6960.3001.500.7500.606

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 2003, Kiessling 2004

Age range: Tuvalian or 233.60000 to 227.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Tuvalian233.6 - 227.3USA (California) Styrionautilus sauperi (type locality: 142611)