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Gaudryceras (Mesogaudryceras) leptonema

Cephalopoda - Ammonitida - Tetragonitidae

Taxonomy
Ammonites leptonema was named by Sharpe (1855) [DISTRIBUTION: Cenomanian; Europe, Greenland.]. It is not a trace fossil. It is the type species of Mesogaudryceras.

It was recombined as Mesogaudryceras leptonema by Arkadiev et al. (2000); it was recombined as Gaudryceras (Mesogaudryceras) leptonema by Wright and Kennedy (1984), Kennedy (1994), Kennedy et al. (2024).

Synonymy list
YearName and author
1855Ammonites leptonema Sharpe p. 32 figs. pl. 14, fig. 3
1984Gaudryceras (Mesogaudryceras) leptonema Wright and Kennedy p. 51
1994Gaudryceras (Mesogaudryceras) leptonema Kennedy p. 218
2000Mesogaudryceras leptonema Arkadiev et al. p. 99 figs. Pl 10, figs 1,2
2024Gaudryceras (Mesogaudryceras) leptonema Kennedy et al. p. 8 figs. 7A-O

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyTetragonitoidea(Hyatt 1900)
familyTetragonitidaeHyatt 1900
subfamilyGaudryceratinae(Spath 1927)
genusGaudrycerasde Grossouvre 1894
subgenusMesogaudryceras(Spath 1927)
speciesleptonema(Sharpe 1855)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9Ukraine Mesogaudryceras leptonema (183309)
Cenomanian100.5 - 93.9Germany Gaudryceras leptonema (66734 66779)
Early/Lower Cenomanian100.5 - 93.9Greenland Gaudryceras leptonema (237446 237447)
Early/Lower Cenomanian100.5 - 93.9United Kingdom (England) Mesogaudryceras leptonema (230775)
Middle Cenomanian100.5 - 93.9France Gaudryceras leptonema (82843)
Middle Cenomanian100.5 - 93.9Ukraine Mesogaudryceras leptonema (183310)