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Daxatina

Cephalopoda - Ceratitida - Trachyceratidae

Taxonomy
Daxatina was named by Strand (1929) [Sepkoski's age data: Tr Ladi-u Sepkoski's reference number: 302]. Its type is Trachyceras canadense.

It was assigned to Trachyceratidae by Tozer (1981); to Trachyceratinae by Tozer (1994); to Ceratitida by Sepkoski (2002); and to Anolcitinae by Mietto and Manfrin (2008).

Synonyms
Synonymy list
YearName and author
1903Dawsonites Boehm
1927Clionites (Dawsonites) Smith p. 92
1929Daxatina Strand p. 9
1951Dawsonites Spath p. 45
1981Daxatina Tozer p. 96
1994Daxatina Tozer p. 165
2002Daxatina Sepkoski
2008Daxatina Mietto and Manfrin p. 396

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyTrachyceratoidea(Haug 1894)
familyTrachyceratidaeHaug 1894
subfamilyAnolcitinae
genusDaxatina

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. †Daxatina Strand 1929
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†Daxatina canadensis Whiteaves 1889
†Daxatina laubei Tozer 1994
†Daxatina limpida Tozer 1994
†Daxatina megabrotheus Tozer 1994
Invalid names: Dawsonites Boehm 1903 [replaced]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1423.716.134.121.77.35
shell diameter1441.218.673.847.219.6
shell inflation1410.55.0015.012.93.86

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 Julian or 241.46400 to 233.60000 Ma

Collections (54 total)


Time interval Ma Country or state Original ID and collection number
Ladinian241.464 - 237.0Svalbard and Jan Mayen Dawsonites canadaensis, Dawsonites sp. (212215) Dawsonites canadensis (212204) Dawsonites sp., Dawsonites canadensis (212201)
Ladinian241.464 - 237.0Canada (British Columbia) D. canadensis (44147 44155)
Julian237.0 - 233.6Spain D. canadensis (211538)
Julian237.0 - 233.6Canada (British Columbia) D. canadensis (137095 137381 138610 138611 138612 138628 138634 139045 141635) D. laubei (138631) D. limpida (49715 56877) D. megabrotheus (44150 141652) Trachyceras canadense (141772)
Julian237.0 - 233.6Italy D. canadensis (50866 142046) D. laubei (141967 141968 141976 142035 142050) D. sp. (50840 50841 50847 50850 50851 50865 141965 142036 142041 142042) D. sp., D. canadensis, D. laubei (142066) Trachyceras bipunctatum (50844 50873)
Julian237.0 - 233.6USA (Nevada) D. sp. (186864 186865 186870 186871 186873 186874 186875 186876 186877)
Carnian237.0 - 227.3Canada (British Columbia) D. limpida (49716)
Carnian237.0 - 227.3Italy D. sp., D. canadensis (50837)
Carnian237.0 - 227.3Svalbard and Jan Mayen Dawsonites canadensis (44452)
Late/Upper Triassic237.0 - 201.4USA (Alaska) Trachyceras canadense (112261)