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Pictonia

Cephalopoda - Ammonitida - Aulacostephanidae

Taxonomy
Pictonia is a genus. It is not extant. Its type is Ammonites cymodoce.

It was assigned to Pictoniinae by Mesezhnikov (1984); to Ammonoidea by Sepkoski (2002); and to Aulacostephanidae by Wright (2010).

Species
P. densicostata, P. gracilis, P. seminudata
Species lacking formal opinion data
P. constricta

Synonymy list
YearName and author
1984Pictonia Mesezhnikov p. 96
2002Pictonia Sepkoski
2010Pictonia Wright p. 39

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyAulacostephanidaeSpath 1924
genusPictonia

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.

G. †Pictonia
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†Pictonia densicostata Buckman 1924
†Pictonia gracilis Tornquist 1896
†Pictonia seminudata Buckman 1924
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1333.423.363.031.011.4
shell diameter13100.963.0180.0100.031.9
shell inflation1342.623.377.442.815.7

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: Kimmeridgian or 157.30000 to 152.10000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Oxfordian161.2 - 155.7Germany P. sp. (167935)
Kimmeridgian157.3 - 152.1Russian Federation P. sp. (190538 190540 190558 190564)
Early/Lower Kimmeridgian155.7 - 150.8United Kingdom (Dorset) P. densicostata, P. seminudata (163958 163959) P. densicostata, Triozites seminudatus (163957) P. seminudata (163961)
Early/Lower Kimmeridgian155.7 - 150.8Russian Federation (Khanty-Mansi Autonomous Okrug) P. gracilis (164299)
Early/Lower Kimmeridgian155.7 - 150.8Russian Federation P. baylei (58837) P. densicostata (58836)
Early/Lower Kimmeridgian155.7 - 150.8Germany (Bavaria) P. constricta (212931)
Early/Lower Kimmeridgian155.7 - 150.8Russian Federation (Siberia) P. gracilis (58773)