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Hemicosmorthoceras

Cephalopoda - Orthocerida - Sphaerorthoceratidae

Taxonomy
Hemicosmorthoceras was named by Ristedt (1968) [Sepkoski's age data: S Ludl-l Sepkoski's reference number: 524]. It is not extant.

It was assigned to Sphaerorthoceratidae by Kröger (2008).

Species lacking formal opinion data

Synonymy list
YearName and author
1968Hemicosmorthoceras Ristedt
2008Hemicosmorthoceras Kröger

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoidea(M'Coy 1844)
orderOrthoceridaKuhn 1940
familySphaerorthoceratidaeRistedt 1968
genusHemicosmorthocerasRistedt 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. †Hemicosmorthoceras Ristedt 1968
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Hemicosmorthoceras aichae Kröger 2008
Hemicosmorthoceras dimidiatum Sowerby in Murchinson 1839
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: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Gorstian to the top of the Lochkovian or 427.40000 to 410.80000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Wenlock - Ludlow433.4 - 423.0Italy (Sardinia) H. sp. (26158)
Wenlock - Pridoli433.4 - 419.2Italy (Sardinia) H. semiannulatum, H. sp., H. serratulum, H. laterculum (26163)
Gorstian427.4 - 425.6Italy (Sardinia) H. celloni, H. serratulum, H. semimbricatum (26168)
Ludfordian425.6 - 423.0Italy (Sardinia) H. serratulum, H. laterculum (26169) H. sp. (26160)
Ludfordian425.6 - 423.0Austria H. celloni (13908 26200)
Ludfordian425.6 - 423.0Morocco H. semimbricatum (91456)
Ludfordian - Helderberg425.6 - 391.9Italy (Sardinia) H. serratulum (26159)
Pridoli423.0 - 419.2Morocco H. semimbricatum (91457)
Pridoli423.0 - 419.2Italy (Sardinia) H. semimbricatum (26170)
Pridoli423.0 - 419.2Austria H. laterculum (13910 14252)
Lochkovian419.2 - 410.8Morocco H. aichae, H. semimbricatum (91483) H. semimbricatum (91477 91612)
Lochkovian419.2 - 410.8Italy (Sardinia) H. semimbricatum (26161)