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Paranannites involutus

Cephalopoda - Ceratitida - Melagathiceratidae

Taxonomy
Prosphingites involutus was named by Chao (1959). Its type specimen is NIGP 12575 and is a 3D body fossil.

It was recombined as Arnautoceltites involutus by Kummel (1969); it was recombined as Paranannites involutus by Shigeta and Nguyen (2014).

Synonyms
Synonymy list
YearName and author
1959Paranannites minutus Chao
1959Prosphingites involutus Chao p. 297 figs. Pl 28, figs 1-11; text-fig 39c
1969Arnautoceltites involutus Kummel
2008Paranannites ovum Brayard and Bucher p. 65 figs. Pl 34, figs 1-6
2014Paranannites involutus Shigeta and Nguyen p. 124 figs. 88.1-88.4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderCeratitidaHyatt 1884
suborderMeekoceratina
superfamilyMeekoceratoideaWaagen 1895
familyMelagathiceratidaeTozer 1971
genusParanannites
speciesinvolutus(Chao 1959)

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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Invalid names: Paranannites minutus Chao 1959 [synonym], Paranannites ovum Brayard and Bucher 2008 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height718.19.0031.021.07.99
shell diameter741.120.070.046.017.5
shell inflation77.996.0015.06.803.77

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: base of the Smithian to the top of the Spathian or 249.90000 to 246.70000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Smithian249.9 - 248.1China (Gunagxi) Prosphingites involutus (44013)
Smithian249.9 - 248.1China (Guangxi) Paranannites ovum (97137 97158 97195) Prosphingites involutus (44012)
Smithian249.9 - 248.1Vietnam Paranannites involutus (155542)
Spathian248.1 - 246.7China (Guangxi) Paranannites involutus, Paranannites minutus (44007) Prosphingites involutus (44004)