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Tetragonites (Tetragonites) timotheanus

Cephalopoda - Ammonitida - Tetragonitidae

Taxonomy
Ammonites timotheanus was named by Pictet (1847). It is a 3D body fossil.

It was recombined as Lytoceras (Tetragonites) timotheanum by Anderson (1958); it was recombined as Tetragonites timotheanus by Imlay (1960), Murphy (1967), Jones (1967), Wright and Kennedy (1984), Kennedy (1994), Geyer et al. (1997); it was recombined as Tetragonites (Tetragonites) timotheanus by Szives (2007).

Subspecies
Tetragonites timotheanus rectangularis
Sister species lacking formal opinion data
T. obscuratus, T. obscurum

Synonymy list
YearName and author
1847Ammonites timotheanus Pictet p. 295 figs. pl. 2, fig. 6
1958Lytoceras (Tetragonites) timotheanum Anderson p. 186
1960Tetragonites timotheanus Imlay p. 100
1967Tetragonites timotheanus Jones p. 26 figs. Pl 2, figs 13-18
1967Tetragonites timotheanus Murphy p. 19 figs. Pl. 1, figs. 10 - 19
1984Tetragonites timotheanus Wright and Kennedy p. 39
1994Tetragonites timotheanus Kennedy p. 217
1997Tetragonites timotheanus Geyer et al. p. 224 figs. 2c,d, 3c,d
2007Tetragonites (Tetragonites) timotheanus Szives p. 96 figs. Pl 14, fig 16; pl 19, fig 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyTetragonitoidea(Hyatt 1900)
familyTetragonitidaeHyatt 1900
genusTetragonites(Kossmat 1895)
subgenusTetragonitesKossmat 1895
speciestimotheanus(Pictet 1847)

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.

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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height215.814.217.615.92.40
shell diameter236.833.041.037.05.66
shell inflation210.59.6011.510.61.34

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: base of the Late/Upper Aptian to the top of the Early/Lower Cenomanian or 119.57000 to 93.90000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Aptian119.57 - 113.2USA (California) Tetragonites timotheanum (216356)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (California) Tetragonites timotheanum (216369 216370)
Early/Lower Albian113.2 - 110.1Dominican Republic Tetragonites rectangularis (65128)
Early/Lower Albian113.2 - 110.1USA (Alaska) Tetragonites timotheanus (88064)
Early/Lower Albian113.2 - 110.1USA (California) Tetragonites timotheanum (216368)
Albian113.2 - 100.5USA (Alaska) Tetragonites timotheanus (38516)
Albian113.2 - 100.5Canada (British Columbia) Tetragonites rectangularis (87674 87676 87682 87685)
Albian113.2 - 100.5Egypt Tetragonites rectangularis (176860)
Albian113.2 - 100.5USA (California) Tetragonites timotheanum (216375 216376 216377 216378)
Albian113.2 - 100.5Madagascar Tetragonites timotheanus (98264)
Early/Lower Albian - Late/Upper Albian113.2 - 100.5France Tetragonites rectangularis (58861)
Middle Albian110.1 - 106.3Venezuela Tetragonites rectangularis (87946)
Late/Upper Albian106.3 - 100.5France Tetragonites rectangularis (56680) Tetragonites timotheanus (56523 58122)
Late/Upper Albian106.3 - 100.5Canada (British Columbia) Tetragonites rectangularis (87714)
Late/Upper Albian106.3 - 100.5Serbia Tetragonites timotheanus, Tetragonites rectangularis (239132)
Late/Upper Albian106.3 - 100.5Italy Tetragonites rectangularis (12838)
Late/Upper Albian106.3 - 100.5Antarctica Tetragonites rectangularis (83560)
Late/Upper Albian106.3 - 100.5Madagascar (Antsiranana) Tetragonites rectangularis (98215)
Cenomanian100.5 - 93.9New Zealand Tetragonites rectangularis (83439)
Early/Lower Cenomanian100.5 - 93.9France Tetragonites rectangularis (13500)
Early/Lower Cenomanian - Middle Cenomanian100.5 - 93.9France Tetragonites rectangularis (230858)