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Virgatoptychites (Propolyptychites) tenuicostatus

Cephalopoda - Ammonitida - Craspeditidae

Taxonomy
Polyptychites (Propolyptychites) tenuicostatus was named by Kemper (1968) [DISTRIBUTION: Valanginian; Europe, Greenland.]. It is not a trace fossil.

It was recombined as Paratollia tenuicostata by Jeletzky and Kemper (1988); it was synonymized subjectively with Euryptychites (Propolyptychites) quadrifidus by Bogomolov (1989); it was recombined as Virgatoptychites (Propolyptychites) tenuicostatus by Alsen (2006).

Sister species lacking formal opinion data
V. trifurcatus

Synonymy list
YearName and author
1968Polyptychites (Propolyptychites) tenuicostatus Kemper figs. pl. 23, fig. 12
1988Paratollia tenuicostata Jeletzky and Kemper p. 27 figs. Pl 1, figs 3,4
2006Virgatoptychites (Propolyptychites) tenuicostatus Alsen p. 64

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyCraspeditidaeSpath 1934
subfamilyTolliinaeSpath 1952
genusVirgatoptychitesVoronets 1958
subgenusPropolyptychites(Kemper 1964)
speciestenuicostatus(Kemper 1968)

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 height224.319.031.025.08.49
shell diameter261.948.579.063.821.6
shell inflation216.311.623.017.38.06

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 137.05000 to 132.60000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Valanginian137.05 - 132.6Greenland Virgatoptychites tenuicostatus (83706)
Valanginian137.05 - 132.6Greenland Virgatoptychites tenuicostatus (83741)