Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Placenticeras

Cephalopoda - Ammonitida - Placenticeratidae

Synonyms
Synonymy list
YearName and author
1876Placenticeras Meek
1978Placenticeras Wiedmann p. 666
1979Placenticeras Summesberger p. 152
1983Placenticeras Cobban and Hook p. 8
1984Placenticeras Kennedy p. 38
1989Placenticeras Klinger and Kennedy p. 266
1991Placenticeras Matsumoto and Skwarko p. 249
1992Placenticeras Cobban and Kennedy p. 73
1993Placenticeras Kennedy and Cobban p. 834
1994Placenticeras Kennedy and Cobban p. 1288
1995Placenticeras Kennedy p. 410
1995Placenticeras Kennedy and Kaplan p. 28
1997Placenticeras Kennedy et al. p. 4
2001Placenticeras Kennedy et al. p. 4
2002Diplacmoceras Sepkoski, Jr.
2002Placenticeras Sepkoski, Jr.
2008Placenticeras Kennedy et al. p. 125
2014Placenticeras Mosavinia et al. p. 82
2016Placenticeras Kennedy and Gale p. 269

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyHoplitoidea(Douvillé 1890)
familyPlacenticeratidaeHyatt 1900
genusPlacenticerasMeek 1876

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.

Diagnosis
No diagnoses are available