PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Polyptychites (Primitiviptychites)

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy

Primitiviptychites was named by Klimova (1983).

It was reranked as Polyptychites (Primitiviptychites) by Alsen (2006).

It was assigned to Polyptychites by Alsen (2006).

Subtaxa

Polyptychites (Primitiviptychites) rectangulatus

Species lacking formal opinion data

Polyptychites confericosta, Polyptychites expansus, Polyptychites keysserlingi, Polyptychites nucleus, Polyptychites orbitaeformis, Polyptychites ovatus, Polyptychites petschorensis, Polyptychites ramulicostatus, Polyptychites studendorffi, Polyptychites virgifer

Synonymy list

Year	Name and author
2006	Polyptychites (Primitiviptychites) Alsen p. 88

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

Rank	Name	Author
subclass	Ammonoidea	()
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	Primitiviptychites	(Klimova 1983)

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.

Subg. †Polyptychites (Primitiviptychites) Klimova 1983

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†Polyptychites (Primitiviptychites) rectangulatus Bogoslowsky 1902

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	7	16.9	14.0	19.0	17.0	1.83
shell diameter	7	42.4	36.0	49.0	44.0	5.59
shell inflation	7	11.4	9.00	15.0	11.0	2.29

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 (12 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Valanginian	137.05 - 132.6	Russian Federation	Siberites rectangulatus (189638 189642 189655 189656 189658 189661)
Early/Lower Valanginian	137.05 - 132.6	Greenland	Polyptychites rectangulatus (83684 83706 83742)
Late/Upper Valanginian	137.05 - 132.6	Greenland	Polyptychites rectangulatus (83717)
Valanginian	137.05 - 132.6	Greenland	Polyptychites rectangulatus (83741)
Valanginian	137.05 - 132.6	Russian Federation	Polyptychites rectangulatus (65458)