PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Polyptychites (Euryptychites) pateraeformis

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy

Euryptychites pateraeformis was named by Voronets (1962) [DISTRIBUTION: Valanginian; Greenland, Siberia.]. It is not a trace fossil.

It was recombined as Siberiptychites (Pseudoeuryptychites) pateraeformis by Jeletzky and Kemper (1988); it was synonymized subjectively with Euryptychites (Propolyptychites) globulosus by Bogomolov (1989); it was recombined as Polyptychites (Euryptychites) pateraeformis by Alsen (2006).

Sister species lacking formal opinion data

P. confericosta, P. expansus, P. keysserlingi, P. nucleus, P. orbitaeformis, P. ovatus, P. petschorensis, P. ramulicostatus, P. virgifer, P. studendorffi

Synonymy list

Year	Name and author
1962	Euryptychites pateraeformis Voronets figs. pl. 48, fig. 1
1988	Siberiptychites (Pseudoeuryptychites) pateraeformis Jeletzky and Kemper p. 177 figs. Pl 38, figs 2A,B
2006	Polyptychites (Euryptychites) pateraeformis Alsen p. 103

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()

Rank	Name	Author
order	Ammonitida	Haeckel 1866
suborder	Ammonitina	Hyatt 1889
superfamily	Perisphinctaceae	Steinman 1890
family	Polyptychitidae	Wedekind 1918
subfamily	Polyptychitinae	Wedekind 1918
genus	Polyptychites	Pavlow 1892
subgenus	Euryptychites	(Pavlow 1914)
species	pateraeformis	(Voronets 1962)

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.

†Polyptychites (Euryptychites) pateraeformis Voronets 1962

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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: Early/Lower Valanginian or 137.05000 to 132.60000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Valanginian	137.05 - 132.6	Canada (Northwest Territories)	Siberiptychites pateraeformis (87535)
Early/Lower Valanginian	137.05 - 132.6	Greenland	Polyptychites pateraeformis (83683)