PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Taimyrosphinctes (Taimyrosphinctes)

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy

Taimyrosphinctes (Taimyrosphinctes) was named by Mesezhnikov (1974).

It was assigned to Taimyrosphinctes by Mesezhnikov (1974) and Mesezhnikov (1984).

Subtaxa

Taimyrosphinctes (Taimyrosphinctes) evolutus, Taimyrosphinctes (Taimyrosphinctes) excentricum, Taimyrosphinctes (Taimyrosphinctes) nudus, Taimyrosphinctes (Taimyrosphinctes) pachycostatus, Taimyrosphinctes (Taimyrosphinctes) pavloviformis

Species lacking formal opinion data

Taimyrosphinctes elegans, Taimyrosphinctes trikraniformoides

Synonymy list

Year	Name and author
1974	Taimyrosphinctes (Taimyrosphinctes) Mesezhnikov
1984	Taimyrosphinctes (Taimyrosphinctes) Mesezhnikov p. 143

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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
suborder	Ammonitina	Hyatt 1889
superfamily	Perisphinctoidea	(Steinman 1890)
family	Perisphinctidae	Steinmann 1890
subfamily	Dorsoplanitinae	Arkell 1950
genus	Taimyrosphinctes	Mesezhnikov 1974
subgenus	Taimyrosphinctes	Mesezhnikov 1974

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. †Taimyrosphinctes (Taimyrosphinctes) Mesezhnikov 1974

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†Taimyrosphinctes (Taimyrosphinctes) evolutus Mesezhnikov 1984

†Taimyrosphinctes (Taimyrosphinctes) excentricum Mesezhnikov 1974

†Taimyrosphinctes (Taimyrosphinctes) nudus Mesezhnikov 1984

†Taimyrosphinctes (Taimyrosphinctes) pachycostatus Mesezhnikov 1984

†Taimyrosphinctes (Taimyrosphinctes) pavloviformis Mesezhnikov 1984

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	3	33.0	29.2	38.1	32.2	4.53
shell diameter	3	97.4	79.0	127.0	92.0	24.8
shell inflation	3	39.0	26.1	57.2	39.6	15.6

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: Middle Tithonian or 150.80000 to 145.00000 Ma

Collections (16 total)

Time interval	Ma	Country or state	Original ID and collection number
Middle Tithonian	150.8 - 145.0	Russian Federation (Khabarovsk)	Taimyrosphinctes excentricum (164348 164350 164351) Taimyrosphinctes excentricum, Taimyrosphinctes nudus (164343 164344) Taimyrosphinctes excentricum, Taimyrosphinctes nudus, Taimyrosphinctes pavloviformis (164342) Taimyrosphinctes pachycostatus (164340) Taimyrosphinctes pachycostatus, Taimyrosphinctes nudus, Taimyrosphinctes pavloviformis (164323) Taimyrosphinctes pavloviformis (164345) Taimyrosphinctes sp. (164336) Taimyrosphinctes sp., Taimyrosphinctes excentricum (164341) Taimyrosphinctes trikraniformoides, Taimyrosphinctes excentricum (164347 164349) Taimyrosphinctes trikraniformoides, Taimyrosphinctes excentricum, Taimyrosphinctes nudus, Taimyrosphinctes pavloviformis, Taimyrosphinctes evolutus (164346) Taimyrosphinctes trikraniformoides, Taimyrosphinctes pachycostatus, Taimyrosphinctes excentricum, Taimyrosphinctes nudus (164327)
Middle Tithonian	150.8 - 145.0	Russian Federation (Khanty-Mansi Autonomous Okrug)	Taimyrosphinctes excentricum (164319)