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Placites polydactylus

Cephalopoda - Ceratitida - Gymnitidae

Taxonomy
Pinacoceras polydactylum was named by von Mojsisovics (1873). It is a 3D body fossil. Its type locality is Sandling, red Gastropoden beds, which is in a Lacian carbonate limestone in the Halstatt Formation of Austria.

It was recombined as Placites polydactylus by von Mojsisovics (1902), Shevyrev (1990), Tozer (1994), Shevyrev (1995).

Sister species lacking formal opinion data
P. insectus, P. intuslabiatus, P. sakuntula

Synonymy list
YearName and author
1873Pinacoceras polydactylum von Mojsisovics p. 52 figs. Pl 21, figs 3-6
1902Placites polydactylus von Mojsisovics p. 301
1990Placites polydactylus Shevyrev p. 141 figs. Pl 7, fig 6; text-fig 51
1994Placites polydactylus Tozer p. 130 figs. Pl 147, figs 24a,b; text-figs 120f,h
1995Placites polydactylus Shevyrev p. 117 figs. Pl 18, figs 2,3; text-fig 69

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyPinacoceratoidea(Mojsisovics 1879)
familyGymnitidaeWaagen 1895
subfamilyPlacitinaeWang and He 1976
genusPlacitesMojsisovics 1896
speciespolydactylus()

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.

†Placites polydactylus von Mojsisovics 1873
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height725.26.5050.027.815.1
shell diameter742.410.984.052.524.1
shell inflation70.0880.0012.000.4000.930

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: base of the Lacian to the top of the Rhaetian or 227.30000 to 201.40000 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Lacian227.3 - 215.38Austria Pinacoceras polydactylum (159516)
Sevatian211.18 - 205.7Tajikistan Placites polydactylus (151033 151036 151040)
Rhaetian205.7 - 201.4Canada (British Columbia) Placites polydactylus (137063 137114 137969 141688 141689 141734)
Rhaetian205.7 - 201.4Russian Federation Placites polydactylus (143993 144000 144001 144002 144003 144004)