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Orthechioceras

Cephalopoda - Ammonitida - Echioceratidae

Taxonomy
Orthechioceras was named by Trueman and Williams (1925).

It was synonymized subjectively with Paltechioceras by Bremer (1965).

It was assigned to Echioceratidae by Blau (1998), Howarth (2013).

Synonyms
Synonymy list
YearName and author
1925Homechioceras Trueman and Williams
1925Orthechioceras Trueman and Williams p. 706
1998Orthechioceras Blau p. 206
2013Orthechioceras Howarth p. 29

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familyEchioceratidaeBuckman 1913
genusOrthechiocerasTrueman and Williams 1925

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. †Orthechioceras Trueman and Williams 1925
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†Orthechioceras edmundi Dumortier 1867
†Orthechioceras viticola Dumortier 1867
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Invalid names: Turrilites boblayei d'Orbigny 1843 [synonym]
Invalid names: Homechioceras Trueman and Williams 1925 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height210.810.611.010.80.283
shell diameter253.445.263.054.112.6
shell inflation232.126.439.032.78.91

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: Oxynotum or 199.50000 to 192.90000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Sinemurian - Late/Upper Sinemurian199.5 - 192.9Mexico (Hidalgo) O. jamesdanae (208370)
Late/Upper Sinemurian199.5 - 192.9Ukraine (Transcarpathian) Ortechioceras recticostatum (196964)
Late/Upper Sinemurian199.5 - 192.9Italy O. radiatum (175938)
Late/Upper Sinemurian199.5 - 192.9Morocco Plesechioceras edmundi (200531 200587)
Late/Upper Sinemurian199.5 - 192.9Mexico (Hidalgo) O. incaguasiense, O. jamesdanae, O. pauper, O. sp. (208374) O. jamesdanae (208371 208373 208516 208535 208546 208547) O. obliquecostatum (208517 208545) O. pauper, O. incaguasiense (208536)
Oxynotum199.5 - 192.9Tunisia Plesechioceras edmundi (170512)
Oxynotum199.5 - 192.9Ukraine (Crimea) O. edmundi (230734)
Sinemurian199.5 - 192.9Ukraine (Crimea) O. sp. (230736)