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Paratrachyceras

Cephalopoda - Ceratitida - Trachyceratidae

Taxonomy
Paratrachyceras was named by Arthaber (1915) [Sepkoski's age data: Tr Carn Sepkoski's reference number: 302]. It is not extant.

It was reranked as Trachyceras (Paratrachyceras) by Kummel (1960).

It was assigned to Trachyceras by Kummel (1960); to Trachyceratidae by Arthaber (1915), Spath (1951) and Okuneva et al. (1977); to Protrachyceratinae by Tozer (1981); and to Ceratitida by Sepkoski (2002).

Synonymy list
YearName and author
1915Paratrachyceras Arthaber
1951Paratrachyceras Spath p. 42
1960Trachyceras (Paratrachyceras) Kummel
1977Paratrachyceras Okuneva et al.
1981Paratrachyceras Tozer p. 95
2002Paratrachyceras Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyTrachyceratoidea(Haug 1894)
familyTrachyceratidaeHaug 1894
subfamilyProtrachyceratinaeTozer 1971
genusParatrachyceras

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. †Paratrachyceras Arthaber 1915
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Paratrachyceras ulynense Bychkov 1973
Diagnosis
No diagnoses are available
Measurements
partNmean
shell height144.1
shell diameter173.5
shell inflation14.40

Composition: aragoniteo
Environment: marinec
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 (10 total)


Time interval Ma Country or state Original ID and collection number
Ladinian242.0 - 237.0USA (Nevada) P. sp. (100466)
Ladinian242.0 - 237.0China (Guangxi) P. richthofeni (44947)
Ladinian242.0 - 237.0Malaysia (Kelantan) P. sp. (44820)
Carnian237.0 - 228.0Hungary (Bakony) Trachyceras hofmanni (203215)
Julian235.0 - 232.0Japan P. sp. (124317)
Julian235.0 - 232.0Italy Trachyceras hofmanni (69248)
Tuvalian232.0 - 221.5China (Guizhou) P. hofmanni (85166)
Lacian221.5 - 215.56Russian Federation P. sp., P. ulynense (214905) P. ulynense (151095 214806)