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Placenticeras fritschi

Cephalopoda - Ammonitida - Placenticeratidae

Taxonomy
Placenticeras fritschi was named by de Grossouvre (1894). It is a 3D body fossil. Its type locality is La Ribochère, Villedieu-le-Château, which is in a Coniacian carbonate limestone in the Craie de Villedieu Formation of France.

It was recombined as Proplacenticeras fritschi by Böse (1928).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1894Placenticeras fritschi de Grossouvre p. 124 figs. pl. 5, figs. 1, 2
1928Proplacenticeras fritschi Böse p. 265
1984Placenticeras fritschi Kennedy p. 38 figs. Pl 2, fig 1; pl 3, figs 4,5; text-figs 13C, 14C-E, 15

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHoplitoidea(Douvillé 1890)
familyPlacenticeratidae
genusPlacenticerasMeek 1876
speciesfritschide Grossouvre 1894

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.

Placenticeras fritschi de Grossouvre 1894
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height159.5
shell diameter1132.0
shell inflation125.8

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 Coniacian to the top of the Coniacian or 89.30000 to 86.30000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 86.3France Placenticeras fritschi (type locality: 178942 178951) Proplacenticeras fritschi (3735)
Coniacian89.8 - 86.3Mexico (Chihuahua) Proplacenticeras fritschi (88227)
Middle Coniacian89.3 - 85.8France Placenticeras fritschi (178947 178948 178949 178950)