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Placodontidae
Taxonomy
Placodontidae was named by Cope (1871).
It was assigned to Sauropterygia by Cope (1871) and Cope (1875); to Placodonti by Jaekel (1910); to Placodontida by Kuhn (1971); to Placodontia by Kuhn (1946) and Carroll (1988); to Placodontoidea by Rieppel (1995); and to Placodontoidea by Rieppel (2000).
It was assigned to Sauropterygia by Cope (1871) and Cope (1875); to Placodonti by Jaekel (1910); to Placodontida by Kuhn (1971); to Placodontia by Kuhn (1946) and Carroll (1988); to Placodontoidea by Rieppel (1995); and to Placodontoidea by Rieppel (2000).
Synonymy list
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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.
Fm. †Placodontidae Cope 1871
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G. †Placodus Agassiz 1833
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†Placodus duplicatus Fraas 1896
†Placodus gigas Agassiz 1833
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Invalid names: Anomosaurus strunzi Huene 1905 [synonym], Omphalosaurus peyeri Maisch and Lehmann 2002 [synonym], Placodus antiquior Huene 1936 [synonym], Placodus hypsiceps Meyer 1863 [synonym], Placodus quinmolaris Braun 1863 [synonym]
†Placodus inexpectatus Jiang et al. 2008
Invalid names: Anomosaurus Huene 1902 [synonym], Crurosaurus Huene 1902 [synonym], Crurosaurus problematicus Huene 1902 [nomen dubium], Placodus aethiops Meyer 1863 [nomen nudum], Placodus andriani Agassiz 1839 [nomen dubium], Placodus angustus Meyer 1863 [nomen nudum], Placodus bathygnathus Owen 1859 [nomen dubium], Placodus bombidens Owen 1858 [nomen dubium], Placodus gracilis Jurcsak 1976 [nomen dubium], Placodus impressus Agassiz 1833 [nomen dubium], Placodus pachygnathus Owen 1859 [nomen dubium], Placodus rugosus Meyer 1863 [nomen nudum]
Invalid names: Chelyoposuchinae Kuhn 1946 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, subo = suborder, subp = subphylum | |||||
References: Kiessling 2009, Carroll 1988, Bush and Bambach 2015 |
Collections (30 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Olenekian - Anisian | Israel | Placodus sp. (63904) | |
Anisian | Germany | Omphalosaurus peyeri (138116) Placodus gigas (59960 138090 138134) | |
Anisian | Germany (Sachsen-Anhalt) | Placodus gigas, Placodus antiquior (138123) | |
Anisian | Poland | Placodus sp. (63538) | |
Anisian | Netherlands (Gelderland) | Placodus sp. (96875) | |
Anisian | Germany (Baden-Württemberg) | Placodus gigas (138135) | |
Anisian | Germany (Bayern) | Placodus gigas (138136) | |
Illyrian | Israel | Placodus sp. (63945) | |
Pelsonian | China (Guizhou) | Placodus inexpectatus (103987) | |
Pelsonian | Italy (Trentino) | Placodus gigas (99307) | |
Anisian - Ladinian | Germany | Placodus gigas (131730) | |
Middle Triassic | Germany (Bayern) | Placodus gigas, Placodus andriani, Placodus pachygnathus, Placodus bathygnathus (105334) | |
Middle Triassic | Israel | Placodontidae indet. (28400) | |
Ladinian | Poland | Placodus gigas (138137 138138) | |
Ladinian | Germany (Baden-Württemberg) | Placodus gigas (138084) | |
Ladinian | Germany (Thuringia) | Placodus gigas (138101) | |
Ladinian | Germany (Bavaria) | Placodus sp., Placodus gigas (138087) | |
Ladinian | Germany | Placodus gigas (59927 138096 138131 138132 138133 138139 138140) | |
Fassanian | Israel | Placodus sp. (63949) | |
Carnian | Germany | Placodus sp. (206009) |