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Merocycloceras

Cephalopoda - Orthocerida - Orthoceratidae

Taxonomy
Merocycloceras was named by Ristedt (1968). It is not extant.

It was assigned to Orthoceratidae by Kröger (2008).

Species
M. declivis

Synonymy list
YearName and author
1968Merocycloceras Ristedt
2008Merocycloceras Kröger

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoidea(M'Coy 1844)
orderOrthoceridaKuhn 1940
familyOrthoceratidaeM'Coy 1844
genusMerocyclocerasRistedt 1968

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. †Merocycloceras Ristedt 1968
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†Merocycloceras declivis Ristedt 1968
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 Gorstian to the top of the Pragian or 427.40000 to 407.60000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Wenlock - Ludlow433.4 - 423.0Italy (Sardinia) M. sp. (26158)
Wenlock - Pridoli433.4 - 419.2Italy (Sardinia) M. declive (26163)
Gorstian427.4 - 425.6Italy (Sardinia) M. declive (26168)
Ludfordian425.6 - 423.0Italy (Sardinia) M. declive (26169) M. sp. (26160)
Lochkovian419.2 - 410.8Morocco M. sp. (91483)
Pragian410.8 - 407.6Morocco M. sp. (91611)