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Orthocycloceras

Cephalopoda - Orthocerida - Orthoceratoidea

Taxonomy
Orthocycloceras was named by Barskov (1972) [Sepkoski's age data: S Wenl-u S Ludl-l]. It is not extant.

It was assigned to Orthoceratidae by Kröger (2008).

Species
O. gomiense, O. tafilaltense
Species lacking formal opinion data
O. fluminese, O. lynx, O. pseudoextensum

Synonymy list
YearName and author
1972Orthocycloceras Barskov
2008Orthocycloceras Kröger

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
familyOrthoceratoidea()
orderOrthoceridaKuhn 1940
familyOrthoceratidae
genusOrthocyclocerasBarskov 1972

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. †Orthocycloceras Barskov 1972
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†Orthocycloceras gomiense Kobayashi et al. 1984
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-10-06 14:35:22
Modified: 2009-04-13 11:56:59
Source: o = order, c = class
References: Kiessling 2004, Aberhan et al. 2004

Age range: base of the Sheinwoodian to the top of the Early/Lower Emsian or 432.90000 to 399.50000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Sheinwoodian432.9 - 430.6Italy (Sardinia) O. lynx (26166)
Wenlock - Ludlow432.9 - 422.7Italy (Sardinia) O. sp. (26158)
Wenlock - Pridoli432.9 - 419.62Italy (Sardinia) O. fluminese, O. lynx (26163)
Gorstian426.7 - 425.0Italy (Sardinia) O. lynx (26168)
Ludlow426.7 - 422.7Japan (Skikoku) O. gomiense (188691)
Pridoli422.7 - 419.62Italy (Sardinia) O. fluminese (26170 26173 26183 26187)
Pridoli422.7 - 419.62Czechia O. fluminese (14039 14040 14073 14076 14080 232620)
Lochkovian419.62 - 413.02Italy (Sardinia) O. pseudoextensum (26161)
Pragian413.02 - 410.62Morocco O. sp. (208258) O. tafilaltense (91631)
Pragian - Middle Givetian413.02 - 383.4Morocco O. tafilaltense (208110)
Early/Lower Emsian410.62 - 399.5Morocco O. sp. A (150334 150363) O. sp. B (150360)
Zlichovian410.62 - 393.47Morocco O. tafilaltense (91746)