PBDB Taxon

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Pseudosvalbardiceras sibiricum

Cephalopoda - Ceratitida - Olenikitidae

Taxonomy

Meekoceras sibiricum was named by Mojsisovics (1886). Its type specimen is TsNIGR 73/11137 and is a 3D body fossil.

It was recombined as Aspidites sibiricus by Frech (1905); it was recombined as Meekoceras (Koninckites) sibiricum by Diener (1915); it was recombined as Hemiprionites sibiricus by Popov (1962); it was recombined as Svalbardiceras sibiricum by Kummel (1969), Zakharov (1978); it was recombined as Pseudosvalbardiceras sibiricum by Dagis and Ermakova (1988).

Synonyms

Arctoprionites prontchischevi was named by Zakharov (1978). Its type specimen is BPI 244/802 and is a 3D body fossil. Its type locality is Mengilyakh Creek, spiniplicatus zone (BPI coll), Olenek River, which is in a Spathian marine siliciclastic in the Russian Federation.

It was synonymized subjectively with Pseudosvalbardiceras sibiricum by Dagis and Ermakova (1988).

Synonymy list

Year	Name and author
1886	Meekoceras sibiricum Mojsisovics p. 85 figs. Pl 2, figs 1-6
1905	Aspidites sibiricus Frech
1915	Meekoceras (Koninckites) sibiricum Diener
1962	Hemiprionites sibiricus Popov
1969	Svalbardiceras sibiricum Kummel
1978	Arctoprionites prontchischevi Zahkarov p. 183 figs. Pl 2, figs 3,4
1978	Svalbardiceras sibiricum Zakharov figs. Pl 10, figs 1-5
1978	Arctoprionites prontchischevi Zakharov p. 183 figs. Pl 2, figs 3,4
1988	Pseudosvalbardiceras sibiricum Dagis and Ermakova p. 35 figs. Pl 10, figs 1-4

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

Rank	Name	Author
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()
order	Ceratitida	Hyatt 1884
superfamily	Dinaritoidea	(Mojsisovics 1882)
family	Olenikitidae	Tozer 1971
genus	Pseudosvalbardiceras
species	sibiricum	(Mojsisovics 1886)

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.

†Pseudosvalbardiceras sibiricum Mojsisovics 1886

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Invalid names: Arctoprionites prontchischevi Zakharov 1978 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	15	14.7	11.8	19.5	14.2	1.92
shell diameter	15	28.9	23.0	37.7	28.8	3.58
shell inflation	15	4.13	2.50	7.80	4.05	1.26

Composition:

aragoniteo

Environment:

marinec

Locomotion:

actively mobileo

Life habit:

nektonico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:33:06

Modified:

2005-10-06 16:36:47

Source: o = order, c = class

References: Kiessling 2003, Kiessling 2004

Age range: Spathian or 248.10000 to 246.70000 Ma

Collections (15 total)

Time interval	Ma	Country or state	Original ID and collection number
Olenekian	249.9 - 246.7	Russian Federation	Pseudosvalbardiceras sibiricum (124541 124542)
Olenekian	249.9 - 246.7	Russian Federation (Siberia)	Pseudosvalbardiceras sibiricum (72349 72352 72363 72364)
Spathian	248.1 - 246.7	Russian Federation	Arctoprionites prontchischevi (127717) Arctoprionites prontchischevi, Svalbardiceras sibiricum (123495) Meekoceras sibiricum (212542) Pseudosvalbardiceras sibiricum (97058 107049 107190 123385 123387 123505)