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Placites

Cephalopoda - Ceratitida - Gymnitidae

Taxonomy
Placites was named by Mojsisovics (1896) [Sepkoski's age data: Tr Carn Tr Rhae Sepkoski's reference number: 302]. Its type is Pinacoceras platyphyllum. It is the type genus of Placitinae.

It was assigned to Pinacoceratidae by von Mojsisovics (1896), Spath (1951), Astakhova (1971); to Gymnitidae by Tozer (1981); to Placitinae by Tozer (1994); and to Ceratitida by Sepkoski (2002).

Synonymy list
YearName and author
1896Placites Mojsisovics
1896Placites von Mojsisovics
1951Placites Spath p. 167
1971Placites Astakhova p. 81
1981Placites Tozer p. 94
1994Placites Tozer p. 130
2002Placites Sepkoski

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

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.

G. †Placites Mojsisovics 1896
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†Placites humboldtensis Hyatt and Smith 1905
†Placites myophorus von Mojsisovics 1873
†Placites oldhami von Mojsisovics 1896
†Placites omphalius von Mojsisovics 1873
†Placites oxyphyllus von Mojsisovics 1873
†Placites perauctus von Mojsisovics 1873
†Placites placodes von Mojsisovics 1873
†Placites platyphyllus von Mojsisovics 1873
†Placites polydactylus von Mojsisovics 1873
†Placites postsymmetricus von Mojsisovics 1873
†Placites subsymmetricus von Mojsisovics 1873
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1324.96.5069.024.317.3
shell diameter1344.810.9110.043.025.9
shell inflation130.0350.0014.000.1011.30

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 2004, Kiessling 2003

Age range: base of the Julian to the top of the Rhaetian or 237.00000 to 201.40000 Ma

Collections (56 total)


Time interval Ma Country or state Original ID and collection number
Julian237.0 - 233.6Austria Pinacoceras perauctum, Pinacoceras placodes (159521)
Carnian237.0 - 227.3USA (California) P. placodes (205009)
Carnian237.0 - 227.3Hungary P. sp. (70800)
Carnian237.0 - 227.3India P. oldhami (210922) P. perauctus (203524)
Late/Upper Triassic237.0 - 201.4USA (Alaska) P. sp. (112267 112269)
Tuvalian233.6 - 227.3Austria P. placodes (158936)
Tuvalian233.6 - 227.3Indonesia (Nusa Tenggara Timur) P. placodes (85150)
Lacian227.3 - 215.38Russian Federation P. placodes (214905)
Lacian227.3 - 215.38Slovenia P. omphalius (159550)
Lacian227.3 - 215.38Indonesia (Nusa Tenggara Timur) P. perauctus (85151)
Lacian227.3 - 215.38Austria Pinacoceras perauctum, Pinacoceras myophorum (159578) Pinacoceras polydactylum, Pinacoceras oxyphyllum, Pinacoceras myophorum, Pinacoceras omphalium, Pinacoceras subsymmetricum (159516) Pinacoceras postsymmetricum, Pinacoceras myophorum (159573) P. postsymmetricus (159899)
Norian227.3 - 205.7Hungary P. placodes, P. myophorus (73270)
Norian227.3 - 205.7Bosnia and Herzegovina P. sp. (206615)
Norian227.3 - 205.7USA (Alaska) P. sp. (101051)
Norian227.3 - 205.7Oman P. sp. (101398)
Norian227.3 - 205.7Peru P. sakuntula (206477)
Alaunian215.38 - 211.18Austria Pinacoceras oxyphyllum, Pinacoceras perauctum (159515) Pinacoceras postsymmetricum (159574)
Alaunian215.38 - 211.18Russian Federation P. sp. (214808 214906)
Alaunian215.38 - 211.18China (Yunnan) P. myophorus (165386)
Sevatian211.18 - 205.7USA (Nevada) P. humboldtensis (33379)
Sevatian211.18 - 205.7Austria (Styria) P. insectus (36516)
Sevatian211.18 - 205.7Tajikistan P. polydactylus (151033 151036 151040)
Sevatian211.18 - 205.7Ukraine P. postsymmetricus (150943)
Sevatian211.18 - 205.7Austria Pinacoceras myophorum (159544) Pinacoceras oxyphyllum (159543 159564) Pinacoceras oxyphyllum, Pinacoceras myophorum (159563)
Sevatian211.18 - 205.7USA (Alaska) Placites indet. (44440)
Sevatian211.18 - 205.7Russian Federation P. subsymmetricus (214908)
Rhaetian205.7 - 201.4Russian Federation P. intuslabiatus (214915) P. platyphyllus (214881) P. polydactylus (143993 144000 144001 144002 144003 144004) P. sp. (214883)
Rhaetian205.7 - 201.4Canada (British Columbia) P. polydactylus (137063 137114 137969 141688 141689 141734)
Rhaetian205.7 - 201.4Austria Pinacoceras platyphyllum (159555 159559 159560)