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

Subdichotomoceras

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy
Subdichotomoceras was named by Spath [Sepkoski's age data: J Kimm-l J Tith-l]. It is not extant.

It was assigned to Virgatosphinctinae by Verma and Westermann (1973); to Pseudovirgatitinae by Mesezhnikov (1984); and to Ammonoidea by Sepkoski (2002).

Synonymy list
YearName and author
1973Subdichotomoceras Verma and Westermann p. 183
1984Subdichotomoceras Mesezhnikov p. 136
2002Subdichotomoceras Sepkoski

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPerisphinctidaeSteinmann 1890
subfamilyPseudovirgatitinaeSpath 1931
genusSubdichotomocerasSpath

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.

G. †Subdichotomoceras Spath
show all | hide all
Subg. †Subdichotomoceras (Sphinctoceras) Neaverson 1925
hide
†Subdichotomoceras filiplex Quenstedt 1888
†Subdichotomoceras latissimum Zwierzycki 1914
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: base of the Early/Lower Kimmeridgian to the top of the Early/Lower Tithonian or 155.70000 to 145.00000 Ma

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
Oxfordian - Berriasian163.5 - 139.8Spain S. pseudocolubrinus (73297)
Late/Upper Oxfordian - Early/Lower Kimmeridgian161.2 - 150.8USA (California) S. filiplex (192835 192837 192852)
Kimmeridgian157.3 - 152.1Tanzania S. sparsiplicatum (35573 79094)
Kimmeridgian - Early/Lower Tithonian157.3 - 145.0Tanzania S. sparsiplicatum (35570)
Kimmeridgian - Early/Lower Tithonian157.3 - 145.0Antarctica S. sp. (36768)
Early/Lower Kimmeridgian155.7 - 150.8Mexico ( San Luis Potosí ) S. sp. (192468 192469 192470 192471)
Tithonian - Kimmeridgian152.1 - 152.1Yemen (Wadi Hajar) S. latissimum (2569)
Tithonian152.1 - 145.0Russian Federation (Siberia) S. grandis, S. michailovi (58785)
Tithonian152.1 - 145.0Antarctica S. sp. (76465 76466)
Early/Lower Tithonian150.8 - 145.0Hungary S. pseudocolobrinus (23872)
Early/Lower Tithonian150.8 - 145.0Mexico S. inversum (197728 197736 197759 197760 197975 197976)
Early/Lower Tithonian150.8 - 145.0Italy (Ancona) S. psudocolubrinum (46538) S. simplex (46539)
Early/Lower Tithonian150.8 - 145.0Tanzania S. sparsiplicatum (79029)
Early/Lower Tithonian150.8 - 145.0Russian Federation (Krasnoyarsk) S. subcrassum (164353)
Early/Lower Tithonian150.8 - 145.0Germany (Bayern) S. inerme, S. sp. (13414)