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Metaplacenticeras pacificum

Cephalopoda - Ammonitida - Placenticeratidae

Taxonomy
Placenticeras pacificum was named by Smith (1900).

It was recombined as Metaplacenticeras pacificum by Anderson (1958).

Synonymy list
YearName and author
1900Placenticeras pacificum Smith pp. 207-210 figs. Pl. 25 - 28
1902Placenticeras pacificum Anderson p. 79 figs. Plate VIII, Figs. 162-164 and 171-172; Plate IX, Fig. 180.
1917Placenticeras pacificum Waring p. 70 figs. Pl.9, Figs.18 and 19
1958Metaplacenticeras pacificum Anderson p. 254 figs. Plate 37, figures 1, 2, 3, 4, 4a

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHoplitoidea(Douvillé 1890)
familyPlacenticeratidae
genusMetaplacenticerasSpath 1926
speciespacificum(Smith 1900)

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 2003, Kiessling 2004

Age range: base of the Turonian to the top of the Late/Upper Campanian or 93.90000 to 70.60000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cretaceous100.5 - 66.0USA (California) Placenticeras pacificum (193034)
Turonian93.9 - 89.8USA (California) Metaplacenticeras pacificum (86812)
Coniacian89.8 - 86.3USA (California) Metaplacenticeras pacificum (44267 44270)
Late/Upper Campanian83.5 - 70.6USA (California) Metaplacenticeras pacificum (72057 86793 86794 86811 86819 86872 98225 151977 185397 214144 220905 225636 225637 225799 225926)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (California) Metaplacenticeras pacificum (215264)