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Tropidoceras masseanum

Cephalopoda - Ammonitida - Polymorphitidae

Taxonomy
Ammonites masseanus was named by d'Orbigny (1844). Its type specimen is MNHN.F.R01397 and is a 3D body fossil. Its type locality is Les Cottards, nr Saint George de Poisieux, which is in a Pliensbachian marine horizon in France.

It was recombined as Harpoceras masseanus by Gemmellaro (1884); it was recombined as Tropidoceras masseanum by Bremer (1965), Meister (1986), Smith and Tipper (1996), Meister and Friebe (2003).

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

Synonyms
Synonymy list
YearName and author
1844Ammonites masseanus d'Orbigny
1884Harpoceras masseanus Gemmellaro
1923Tropidoceras lineatum Spath p. 8
1928Tropidoceras lineatum Spath p. 227 figs. Pl 16, figs 3a,3b,6a-6c,9a,9b; pl 17, figs 6,8a,8b; text-figs 4b,c,i
1965Tropidoceras masseanum Bremer
1986Tropidoceras masseanum Meister p. 44 figs. Pl 6, figs 6,8; pl 7, figs 1-3
1996Tropidoceras masseanum Smith and Tipper p. 39 figs. Pl 10, figs 1, 2; Txt-fig 32c
2003Tropidoceras masseanum Meister and Friebe

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyPolymorphitidae
subfamilyTropidoceratinae(Hyatt 1900)
genusTropidocerasHyatt 1867
speciesmasseanum()

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 masseanum d'Orbigny 1844
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Invalid names: Tropidoceras lineatum Spath 1923 [synonym]
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 2003, Kiessling 2004

Age range: Whiteavesi or 189.20000 to 186.20000 Ma

Collections (44 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Sinemurian - Late/Upper Pliensbachian199.5 - 184.2Austria Tropidoceras masseanum (218932)
Obtusum - Margaritatus199.5 - 184.2Austria Tropidoceras masseanum (218909)
Early/Lower Pliensbachian192.9 - 184.2France (Centre-Val de Loire) Ammonites masseanus (234368) Tropidoceras masseanum (234369)
Ibex192.9 - 184.2France Tropidoceras masseanum (146491 147711 147745 147747 147749 147750 147935 147963 147992 147993 148167)
Ibex192.9 - 184.2United Kingdom (Dorset) Tropidoceras masseanum, Tropidoceras lineatum (159180)
Jamesoni - Ibex192.9 - 184.2France Tropidoceras masseanum (147964 147965 148189 148193)
Late/Upper Pliensbachian192.9 - 184.2Canada (British Columbia) Tropidoceras masseanum (53768)
Pliensbachian192.9 - 184.2Canada (British Columbia) Tropidoceras masseanum (33141 33189 33216 33218 33223 33227 33230 33232 33234 33235 33236 33238 33246 33249)
Whiteavesi189.2 - 186.2Canada (British Columbia) Tropidoceras masseanum (32777 32830 32846 32847 32848 32850 32852 33135 33158)