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Forbesiceras obtectum

Cephalopoda - Ammonitida - Forbesiceratidae

Taxonomy
Ammonites obtectus was named by Sharpe (1853).

It was recombined as Forbesiceras obtectum by Zaborski (1985) and Howarth (1985).

Synonymy list
YearName and author
1853Ammonites obtectus Sharpe p. 20 figs. Pl 7, fig 4
1985Forbesiceras obtectum Howarth
1985Forbesiceras obtectum Zaborski p. 22 figs. 22-25, 29

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familyForbesiceratidae()
genusForbesicerasKossmat 1897
speciesobtectum(Sharpe 1853)

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.

†Forbesiceras obtectum Sharpe 1853
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height1125.0
shell diameter1205.0
shell inflation10.001

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 2003, Kiessling 2004

Age range: base of the Middle Cenomanian to the top of the Cenomanian or 99.60000 to 93.90000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (California) Forbesiceras obtectum (224964)
Early/Lower Cenomanian99.6 - 93.5Tunisia Forbesiceras obtectum (178213)
Early/Lower Cenomanian99.6 - 93.5France (Normandie) Forbesiceras obtectum (230776)
Middle Cenomanian99.6 - 93.5Angola Forbesiceras obtectum (70951 70952 70954)
Middle Cenomanian99.6 - 93.5Nigeria Forbesiceras obtectum (69527 69629 69630)
Middle Cenomanian99.6 - 93.5Tunisia (Sidi Bou Zid) Forbesiceras obtectum (217162)
Middle Cenomanian99.6 - 93.5France (Normandy) Forbesiceras obtectum (4027)