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Dichotomites (Prodichotomites) flexicosta

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy
Craspedites flexicosta was named by Koenen (1902) [DISTRIBUTION: Valanginian; Europe, Siberia, Greenland.]. It is not a trace fossil.

It was recombined as Prodichotomites flexicosta by Jeletzky and Kemper (1988); it was recombined as Dichotomites (Prodichotomites) flexicosta by Alsen (2006).

Sister species lacking formal opinion data
D. giganteus, D. tardescissus, D. triptychoides, D. bidichotomites

Synonyms
Synonymy list
YearName and author
1902Craspedites flexicosta Koenen figs. pl. 5, figs. 14-16
1902Polyptychites gradatus Koenen
1924Neocraspedites speetonensis Spath
1988Prodichotomites flexicosta Jeletzky and Kemper p. 101 figs. Pl 16, fig 2; pl 17, figs 1,2; pl 18, fig 1; pl 22, fig 2; text-figs 39,40a,b
2006Dichotomites (Prodichotomites) flexicosta Alsen p. 115

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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
genusDichotomitesKoenen 1909
subgenusProdichotomites(Kemper 1971)
speciesflexicosta(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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Invalid names: Neocraspedites speetonensis Spath 1924 [synonym], Polyptychites gradatus Koenen 1902 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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: Valanginian or 139.80000 to 132.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Valanginian139.8 - 132.9Poland Polyptychites gradatus (2097)