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Placodus
Taxonomy
Placodus was named by Agassiz (1833) [Sepkoski's age data: Tr Olen-u Tr Ladi-l Sepkoski's reference number: 2,940].
It was assigned to Pycnodontes by Agassiz (1833); to Sauropterygia by Owen (1859) and Owen (1860); to Sauropterygia by Owen (1861); to Placodontidae by Cope (1871), Cope (1875), Kuhn (1971), Carroll (1988), Rieppel (1995) and Rieppel (2000); and to Placodontia by Sepkoski (2002).
It was assigned to Pycnodontes by Agassiz (1833); to Sauropterygia by Owen (1859) and Owen (1860); to Sauropterygia by Owen (1861); to Placodontidae by Cope (1871), Cope (1875), Kuhn (1971), Carroll (1988), Rieppel (1995) and Rieppel (2000); and to Placodontia by Sepkoski (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1833 | Placodus impressus Agassiz |
1833 | Placodus Agassiz p. 15 |
1833 | Placodus impressus Agassiz p. 15 |
1839 | Placodus andriani Agassiz figs. Pl 70, figs 8-13 |
1839 | Placodus impressus Agassiz figs. Pl 70, figs 1-7 |
1843 | Placodus andriani Agassiz p. 219 |
1843 | Placodus impressus Agassiz p. 222 |
1858 | Placodus bombidens Owen figs. Plate 9, figs 3-6 |
1859 | Placodus Owen p. 145 |
1859 | Placodus andriani Owen p. 145 |
1859 | Placodus bathygnathus Owen p. 159 |
1859 | Placodus pachygnathus Owen p. 159 figs. Plate 10, figs 6-7 |
1860 | Placodus Owen p. 216 |
1861 | Placodus Owen p. 236 |
1861 | Placodus andriani Owen p. 237 |
1863 | Placodus impressus Braun |
1863 | Placodus aethiops Meyer p. 180 figs. Plate 4 caption |
1863 | Placodus angustus Meyer p. 180 |
1863 | Placodus rugosus Meyer p. 180 |
1869 | Placodus andriani Seeley p. 135 |
1869 | Placodus impressus Seeley p. 135 |
1871 | Placodus Cope p. 235 |
1875 | Placodus Cope p. 14 |
1902 | Anomosaurus Huene |
1902 | Crurosaurus Huene |
1902 | Crurosaurus problematicus Huene p. 23 |
1902 | Anomosaurus Huene p. 33 |
1907 | Placodus aethiopi Jaekel |
1971 | Placodus Kuhn p. 20 |
1971 | Placodus impressus Kuhn p. 20 |
1976 | Placodus gracilis Jurcsak |
1988 | Placodus Carroll |
1995 | Placodus Rieppel p. 2 |
2000 | Placodus Rieppel |
2002 | Placodus Sepkoski |
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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.
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]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, subo = suborder, subp = subphylum | |||||
References: Carroll 1988, Kiessling 2009, Bush and Bambach 2015 |
Collections (29 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Olenekian - Anisian | Israel | P. sp. (63904) | |
Anisian | Poland | P. sp. (63538) | |
Anisian | Germany (Bayern) | P. gigas (138136) | |
Anisian | Netherlands (Gelderland) | P. sp. (96875) | |
Anisian | Germany (Baden-Württemberg) | P. gigas (138135) | |
Anisian | Germany (Sachsen-Anhalt) | P. gigas, P. antiquior (138123) | |
Anisian | Germany | Omphalosaurus peyeri (138116) P. gigas (59960 138090 138134) | |
Illyrian | Israel | P. sp. (63945) | |
Pelsonian | Italy (Trentino) | P. gigas (99307) | |
Pelsonian | China (Guizhou) | P. inexpectatus (103987) | |
Anisian - Ladinian | Germany | P. gigas (131730) | |
Middle Triassic | Germany (Bayern) | P. gigas, P. andriani, P. pachygnathus, P. bathygnathus (105334) | |
Ladinian | Poland | P. gigas (138137 138138) | |
Ladinian | Germany (Baden-Württemberg) | P. gigas (138084) | |
Ladinian | Germany (Thuringia) | P. gigas (138101) | |
Ladinian | Germany | P. gigas (59927 138096 138131 138132 138133 138139 138140) | |
Ladinian | Germany (Bavaria) | P. sp., P. gigas (138087) | |
Fassanian | Israel | P. sp. (63949) | |
Carnian | Germany | P. sp. (206009) |