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Trachyceras

Cephalopoda - Ceratitida - Trachyceratidae

Taxonomy
Trachyceras was named by Laube (1869) [Sepkoski's age data: Tr Carn-l Tr Carn-u Sepkoski's reference number: 302]. It is not extant. Its type is Ammonites (Ceratites) aon. It is the type genus of Trachyceratinae.

It was reranked as Ammonites (Trachyceras) by Mojsisovics (1869); it was reranked as Anolcites (Trachyceras) by Mojsisovics (1893).

It was assigned to Ammonites by Mojsisovics (1869); to Anolcites by Mojsisovics (1893); to Trachyceratidae by Spath (1951) and Tozer (1981); to Trachyceratinae by Tozer (1994); and to Ceratitida by Sepkoski (2002).

Synonymy list
YearName and author
1869Trachyceras Laube
1869Ammonites (Trachyceras) Mojsisovics
1893Anolcites (Trachyceras) Mojsisovics
1951Trachyceras Spath p. 42
1981Trachyceras Tozer p. 96
1994Trachyceras Tozer p. 167
2002Trachyceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderCeratitidaHyatt 1884
superfamilyTrachyceratoidea(Haug 1894)
familyTrachyceratidaeHaug 1894
subfamilyTrachyceratinaeHaug 1894
genusTrachycerasLaube 1869

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.

Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell diameter353.234.572.860.019.5

Composition: aragoniteo
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: base of the Ladinian to the top of the Lacian or 242.00000 to 215.56000 Ma

Collections (56 total)


Time interval Ma Country or state Original ID and collection number
Ladinian242.0 - 237.0Afghanistan T. sp. (44173)
Ladinian242.0 - 237.0Germany Ceratites muensteri (46362)
Carnian237.0 - 228.0Hungary T. acutecostatum (70800)
Carnian237.0 - 228.0China (Guizhou) T. sp. (85167)
Carnian237.0 - 228.0Italy (Lombardy) T. sp. (56922)
Late/Upper Triassic237.0 - 201.3USA (Alaska) T. sp. (112264)
Julian235.0 - 232.0USA (Nevada) T. silberlingi (151165 151166)
Julian235.0 - 232.0China (Guizhou) T. multituberculatum (171945) T. sp. (171943 171944)
Julian235.0 - 232.0Russian Federation T. sp. (135844)
Julian235.0 - 232.0Canada (British Columbia) T. aonoides (49718) T. desatoyense (49736 137671 138606 141638) T. sp. (49738)
Julian235.0 - 232.0Italy Ammonites nodulosocostatus, Ceratites zeuschneri, Goniatites ornatus, Ammonites mirabilis, Ammonites spinulocostatus, Ammonites dechenii, Ammonites credneri, Ammonites velthemii, Ammonites larva, Ammonites armatocingulatus, Ceratites meriani, Ceratites brevicostatus (145649) Ceratites muensteri, Ceratites dichotomus, Ammonites aon (137429) T. aon (50872) T. aon, T. dichotomum (50873) T. bipunctatum (142062) T. muensteri (50850 50852 50865 50866 141968 141974 141982 142036 142046 142057 142058 142059 142060) T. sp. (50870 50871 141971 142041 142045 142056 142064 163818) T. sp., T. aon, T. dichotomum (142066) T. sp., T. bipunctatum, T. muensteri (141976) T. sp., T. bipunctatum, T. muensteri, T. aon (142063) T. sp., T. muensteri (50857 141972 142038 142039 142044 142050) T. triadicum, T. sp., T. aonoides (69248)
Tuvalian232.0 - 221.5China (Guizhou) T. sinensis, T. aon, T. multituberculatum (85166)
Lacian221.5 - 215.56USA (Alaska) T. sp. (112237)