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Placodontia (placodont)

Reptilia - Sauropterygia

Synonyms
Synonymy list
YearName and author
1871Placodontia Cope
1890Placodontia Zittel p. 449
1903Placodontia Osborn p. 276
1904Placodontia Osborn p. 104
1910Placodonti Jaekel p. 335
1928Placodontia Nopcsa p. 172
1934Placodontia Swinton p. 63
1937Placodontia Roxo p. 43
1946Placodontia Kuhn p. 60
1954Placodontia Huene p. 37
1988Placodontia Carroll
1989Placodontia Pinna and Nosotti
1995Placodontia Rieppel p. 2
2000Placodontia Rieppel
2001Placodontia O'Keefe p. 21
2002Placodontia Sepkoski, Jr.
2005Priscochelys hegnabrunnensis Karl p. 72 figs. 1, 2a
2006Priscochelys hegnabrunnensis Joyce and Karl
2013Placodontia Neenan et al. fig. 3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
RankNameAuthor
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Placodontiformes
orderPlacodontiaCope 1871
orderPlacodontiaCope 1871

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
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marineo
Locomotion: actively mobilec
Created: 2017-04-17 10:38:36
Modified: 2017-04-17 10:38:36
Source: o = order, c = class, subp = subphylum
References: Kiessling 2004, Carroll 1988, Bush and Bambach 2015, Hendy et al. 2009

Age range: base of the Pelsonian to the top of the Sevatian or 247.20000 to 205.60000 Ma

Collections (78 total)


Time interval Ma Country or state Original ID and collection number
Olenekian - Anisian251.2 - 242.0Israel Placodus sp. (63904)
Anisian247.2 - 242.0Germany Omphalosaurus peyeri (138116) Placodus gigas (59960 138090 138134 138135 138136)
Anisian247.2 - 242.0Poland Placodus sp. (63538)
Anisian247.2 - 242.0Germany (Saxony-Anhalt) Placodus gigas, Placodus antiquior (138123)
Anisian247.2 - 242.0Israel Psephosaurus mosis (63924) Psephosaurus sp. (63939)
Anisian247.2 - 242.0Italy (Lombardia) Paraplacodus broilii (37323)
Anisian247.2 - 242.0Spain (Castilla-La Mancha) Cyamodontidae indet. (74517)
Anisian247.2 - 242.0Netherlands (Gelderland) Pararcus diepenbroeki (142738) Placodus sp. (96875)
Illyrian247.2 - 242.0Israel Placodus sp., Psephosaurus spp., Psephosaurus picardi (63945) Psephoderma sp., Psephosauriscus sinaiticus, Psephosauriscus ramonensis (149344)
Illyrian247.2 - 242.0Germany (Bavaria) Cyamodus rostratus, Cyamodus muensteri (196168)
Pelsonian247.2 - 242.0Italy (Trentino) Placodus gigas (99307)
Pelsonian247.2 - 242.0China (Guizhou) Placodus inexpectatus (103987)
Anisian - Ladinian247.2 - 237.0Italy (Piedmont) Cyamodus hildegardis (86708)
Anisian - Ladinian247.2 - 237.0Germany Placodus gigas (131730)
Anisian - Ladinian247.2 - 237.0Switzerland (Kanton Tessin) Paraplacodus broilii, Cyamodus hildegardensis (86837)
Middle Triassic247.2 - 237.0Spain (Aragón) Placodontia indet. (74514)
Middle Triassic247.2 - 237.0Egypt (Shamal Sina) Psephosaurus rhombifer (75278) Psephosaurus sinaiticus (75279)
Middle Triassic247.2 - 237.0Spain (Castilla-La Mancha) Placodontia indet. (74515 74516)
Middle Triassic247.2 - 237.0Germany (Bayern (Bavaria)) Placodus gigas, Placodus laticeps, Placodus andriani, Placodus pachygnathus, Placodus bathygnathus (105334)
Middle Triassic247.2 - 237.0Israel Placodontidae indet. (28400)
Middle Triassic247.2 - 237.0Germany (Baden-Württemberg) Cyamodus sp. (39763)
Illyrian - Fassanian247.2 - 235.0Israel (Negev) Psephoderma sculptata (196711)
Ladinian242.0 - 237.0Germany (Bavaria) Placodus sp., Placodus gigas, Cyamodus sp. (138087)
Ladinian242.0 - 237.0China (Yunnan) Glyphoderma kangi (119443)
Ladinian242.0 - 237.0Poland Placodus gigas (138138) Placodus gigas, Cyamodus tarnowitzensis (138137)
Ladinian242.0 - 237.0Germany Cyamodus sp. (59966 138088 138097) Cyamodus sp., Placodus gigas (138084) Placodus gigas (138131 138132 138133 138139 138140) Placodus gigas, Cyamodus kuhnschnyderi (59927)
Ladinian242.0 - 237.0France (Alsace) Cyamodus kuhnschnyderi (104803)
Ladinian242.0 - 237.0Germany (Thuringia) Placodus gigas (138101)
Ladinian242.0 - 237.0Saudi Arabia Cyamodontoidea indet. (149547) Cyamodontoidea indet., Psephosauriscus sp. (149548)
Ladinian242.0 - 237.0Germany (Baden-Württemberg) Placodontia indet. (48685)
Ladinian242.0 - 237.0Hungary Cyamodus sp., Placodontia indet. (156151)
Ladinian242.0 - 237.0Spain (Tarragona) Cyamodontoidea indet. (109710)
Ladinian242.0 - 237.0France (Lorraine) Cyamodus sp. (137680)
Fassanian242.0 - 235.0Israel Placodus sp. (63949)
Fassanian - Longobardian242.0 - 235.0Germany (Bayern (Bavaria)) Priscochelys hegnabrunnensis (138884)
Longobardian242.0 - 235.0Germany (Baden-Württemberg) Psephosaurus suevicus (106357)
Longobardian242.0 - 235.0Turkey Psephosaurus sp. (120903)
Ladinian - Carnian242.0 - 228.0Slovenia Cyamodus sp. (104869)
Carnian237.0 - 228.0Italy (Friuli-Venezia Giulia) Placochelys placodonta (36374)
Carnian237.0 - 228.0Italy (Lombardia) Placochelys placodonta (37320)
Carnian237.0 - 228.0Hungary (Bakony) Placochelys placodonta (138254)
Carnian237.0 - 228.0Germany Henodus chelyops (138252)
Julian235.0 - 232.0Italy (Udine) Protenodontosaurus italicus (196813)
Julian235.0 - 232.0Italy Cyamodontoidea indet. (144939)
Tuvalian232.0 - 221.5China (Guizhou) Psephochelys polyosteoderma, Sinocyamodus xinpuensis (85166)
Norian228.0 - 208.5Austria (Niederösterreich) Placochelys sp. (38792)
Alaunian215.56 - 212.0Italy (Lombardia) Psephoderma alpinum (36377)
Sevatian212.0 - 205.6Switzerland (Basel-Landschaft) Placodontia indet. (47802)
Rhaetian208.5 - 201.3Italy (Lombardia) Psephoderma alpinum (37321 37322)
Rhaetian208.5 - 201.3Germany (Bayern) Macroplacus raeticus (138253)
Rhaetian208.5 - 201.3Germany (Vienna) Placochelys sp., Psephoderma alpinum, Placochelys stoppanii (189823)
Rhaetian208.5 - 201.3Germany (Sachsen-Anhalt) Chelyoposuchus crassisquamatus (139485)
Rhaetian208.5 - 201.3Italy (Lombardy) Placochelys stoppanii (38121)
Rhaetian208.5 - 201.3United Kingdom (England) Placodontia indet. (120898) Psephoderma anglicum (122363)
Rhaetian208.5 - 201.3Austria Psephoderma alpinum (195671)