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Tropidoceras ellipticum

Cephalopoda - Ammonitida - Polymorphitidae

Taxonomy
Ammonites ellipticus was named by Sowerby (1815). Its type specimen is BMNH 43957 and is a 3D body fossil.

It was recombined as Tropidoceras ellipticum by Spath (1928) and Bremer (1965).

Sister species lacking formal opinion data
T. arietiforme, T. subarietiforme

Synonymy list
YearName and author
1815Ammonites ellipticus Sowerby p. 209 figs. Pl 92, fig 4
1928Tropidoceras ellipticum Spath p. 225 figs. Pl 16, figs 1,2a,2b,4; pl 17, figs 3a-5b; text-figs 3a,f,j
1965Tropidoceras ellipticum Bremer

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyPolymorphitidae
subfamilyTropidoceratinae(Hyatt 1900)
genusTropidocerasHyatt 1867
speciesellipticum()

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.

†Tropidoceras ellipticum Sowerby 1815
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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 Ibex to the top of the Early/Lower Pliensbachian or 189.60000 to 183.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Sinemurian - Early/Lower Pliensbachian196.5 - 183.0Turkey Tropidoceras ellipticum (218660)
Pliensbachian190.8 - 182.7United Kingdom (Gloucestershire) Tropidoceras ellipticum (204126)
Ibex189.6 - 183.0United Kingdom (Dorset) Tropidoceras ellipticum (159180)