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Polyptychites (Polyptychites) ascendens

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy
Polyptychites ascendens was named by Koenen (1902) [DISTRIBUTION: Valanginian; Greenland, Germany.]. It is not a trace fossil.

It was recombined as Siberites ascendens by Bogomolov (1989); it was recombined as Polyptychites (Polyptychites) ascendens by Alsen (2006).

Sister species lacking formal opinion data
P. confericosta, P. keysserlingi, P. ovatus, P. petschorensis, P. virgifer

Synonymy list
YearName and author
1902Polyptychites ascendens Koenen pp. 410-412 figs. fig. 2
1988Polyptychites ascendens Jeletzky and Kemper p. 63 figs. Pl 5, figs 3,5; pl 7, fig 2; text-fig 26a,b
1989Siberites ascendens Bogomolov p. 47 figs. Pl 23, figs 1,2
2006Polyptychites (Polyptychites) ascendens Alsen p. 82

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctaceaeSteinman 1890
familyPolyptychitidaeWedekind 1918
subfamilyPolyptychitinaeWedekind 1918
genusPolyptychitesPavlow 1892
subgenusPolyptychitesPavlow 1892
speciesascendens(Koenen 1902)

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
partNmean
shell height125.0
shell diameter164.0
shell inflation115.4

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 2003, Kiessling 2004

Age range: base of the Valanginian to the top of the Early/Lower Valanginian or 139.80000 to 136.40000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Valanginian140.2 - 136.4Russian Federation Siberites ascendens (189596 189598)
Valanginian139.8 - 132.9Poland Polyptychites ascendens (2097)
Valanginian139.8 - 132.9Greenland Polyptychites ascendens (83741)