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Claosaurus
Taxonomy
Claosaurus was named by Marsh (1890). Its type is Hadrosaurus agilis. It is the type genus of Claosauridae.
It was synonymized subjectively with Pteropelyx by Cope (1892); it was synonymized subjectively with Thespesius by Hay (1902); it was synonymized subjectively with Trachodon by Huene (1927).
It was assigned to Claosauridae by Marsh (1890), Marsh (1895) and Marsh (1896); to Claosauridae by Nopcsa (1901); to Ornithopoda by Hatcher (1901); to Iguanodontidae by Zittel (1890), Van Den Broeck (1900) and Mansel-Pleydell (1902); to Orthopoda by Joleaud (1922); to Trachodontidae by Hatcher (1902), Huene (1909), Versluys (1910), von Zittel (1911), Nopcsa (1915), Matthew (1915), Gilmore (1915) and Lull (1924); to Trachodontinae by Brown (1914) and Nopcsa (1928); to Hadrosaurinae by Lambe (1918), Lambe (1920), Hay (1930), Wilfarth (1940), Lull and Wright (1942), Tatarinov (1964), Rozhdestvensky (1968), Brett-Surman (1979) and Weishampel and Weishampel (1983); to Hadrosauridae by Winkler (1893), Nopcsa (1900), Russell (1930), Gregory (1948), Romer (1956), Kuhn (1964), Romer (1966), Thulborn (1974), Russell (1984), Carroll (1988), Weishampel and Horner (1990), Horner (1992), Carpenter et al. (1995) and Horner et al. (2004); to Hadrosauroidea by Godefroit et al. (1998), Sues and Averianov (2009), Prieto-Marquez and Salinas (2010), Prieto-Márquez and Wagner (2010) and Ramírez-Velasco et al. (2012); to Hadrosauroidea by Prieto-Márquez (2010), Prieto-Márquez (2011), Xu et al. (2016) and Cruzado-Caballero and Powell (2017); and to Hadrosauromorpha by Verdú et al. (2021).
It was synonymized subjectively with Pteropelyx by Cope (1892); it was synonymized subjectively with Thespesius by Hay (1902); it was synonymized subjectively with Trachodon by Huene (1927).
It was assigned to Claosauridae by Marsh (1890), Marsh (1895) and Marsh (1896); to Claosauridae by Nopcsa (1901); to Ornithopoda by Hatcher (1901); to Iguanodontidae by Zittel (1890), Van Den Broeck (1900) and Mansel-Pleydell (1902); to Orthopoda by Joleaud (1922); to Trachodontidae by Hatcher (1902), Huene (1909), Versluys (1910), von Zittel (1911), Nopcsa (1915), Matthew (1915), Gilmore (1915) and Lull (1924); to Trachodontinae by Brown (1914) and Nopcsa (1928); to Hadrosaurinae by Lambe (1918), Lambe (1920), Hay (1930), Wilfarth (1940), Lull and Wright (1942), Tatarinov (1964), Rozhdestvensky (1968), Brett-Surman (1979) and Weishampel and Weishampel (1983); to Hadrosauridae by Winkler (1893), Nopcsa (1900), Russell (1930), Gregory (1948), Romer (1956), Kuhn (1964), Romer (1966), Thulborn (1974), Russell (1984), Carroll (1988), Weishampel and Horner (1990), Horner (1992), Carpenter et al. (1995) and Horner et al. (2004); to Hadrosauroidea by Godefroit et al. (1998), Sues and Averianov (2009), Prieto-Marquez and Salinas (2010), Prieto-Márquez and Wagner (2010) and Ramírez-Velasco et al. (2012); to Hadrosauroidea by Prieto-Márquez (2010), Prieto-Márquez (2011), Xu et al. (2016) and Cruzado-Caballero and Powell (2017); and to Hadrosauromorpha by Verdú et al. (2021).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1890 | Claosaurus Marsh |
1890 | Claosaurus Zittel p. 763 |
1893 | Claosaurus Winkler p. 113 |
1895 | Claosaurus Marsh |
1896 | Claosaurus Marsh p. 244 |
1900 | Claosaurus Nopcsa p. 557 |
1900 | Claosaurus Van Den Broeck p. 92 |
1901 | Claosaurus Hatcher p. 129 |
1901 | Claosaurus Nopcsa p. 211 |
1902 | Claosaurus Hatcher pp. 384-385 |
1902 | Claosaurus Mansel-Pleydell p. lxxxiv |
1903 | Claosaurus affinis Wieland pp. 215-216 |
1909 | Claosaurus Huene p. 16 |
1910 | Claosaurus Versluys p. 229 |
1911 | Claosaurus von Zittel p. 291 |
1914 | Claosaurus Brown p. 565 |
1915 | Claosaurus Gilmore pp. 658-660 |
1915 | Claosaurus Matthew p. 28 |
1915 | Claosaurus Nopcsa p. 8 |
1918 | Claosaurus Lambe p. 138 |
1920 | Claosaurus Lambe pp. 67-68 |
1922 | Claosaurus Joleaud p. 62 |
1924 | Claosaurus Lull p. 241 |
1928 | Claosaurus Nopcsa p. 184 |
1930 | Claosaurus Hay p. 215 |
1930 | Claosaurus affinis Hay p. 215 |
1930 | Claosaurus Russell p. 138 |
1940 | Claosaurus Wilfarth p. 11 |
1942 | Claosaurus Lull and Wright p. 133 |
1948 | Claosaurus Gregory p. 30 |
1956 | Claosaurus Romer p. 630 |
1964 | Claosaurus Kuhn p. 17 |
1964 | Claosaurus affinis Kuhn p. 18 |
1964 | Claosaurus Tatarinov p. 561 |
1966 | Claosaurus Romer p. 370 |
1968 | Claosaurus Rozhdestvensky |
1974 | Claosaurus Thulborn p. 173 |
1979 | Claosaurus Brett-Surman p. 561 fig. 1 |
1983 | Claosaurus Weishampel and Weishampel p. 44 |
1984 | Claosaurus Russell p. 24 |
1988 | Claosaurus Carroll |
1990 | Claosaurus Weishampel and Horner p. 556 |
1992 | Claosaurus Horner p. 15 |
1995 | Claosaurus Carpenter et al. p. 289 |
1998 | Claosaurus Godefroit et al. p. 8 |
2004 | Claosaurus Horner et al. p. 439 |
2009 | Claosaurus Sues and Averianov p. 2553 |
2010 | Claosaurus Prieto-Marquez and Salinas p. 835 fig. 20 |
2010 | Claosaurus Prieto-Márquez p. 454 |
2010 | Claosaurus Prieto-Márquez and Wagner p. 1243 fig. 3 |
2011 | Claosaurus Prieto-Márquez p. 62 |
2012 | Claosaurus Ramírez-Velasco et al. p. 392 |
2016 | Claosaurus Xu et al. p. 71 |
2017 | Claosaurus Cruzado-Caballero and Powell p. 12 fig. 13 |
2021 | Claosaurus Verdú et al. p. 10 fig. 9 |
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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. †Claosaurus Marsh 1890
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†Claosaurus agilis Marsh 1872
Invalid names: Claosaurus affinis Wieland 1903 [nomen dubium]
Diagnosis
Reference | Diagnosis | |
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A. Prieto-Márquez 2011 | The same as for species. |
Measurements
No measurements are available
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Source: g = genus, subo = suborder, o = order | |||||
References: Peczkis 1995, Benton 1983, Marsh 1875 |
Age range: base of the Late/Upper Coniacian to the top of the Campanian or 89.30000 to 72.10000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Coniacian - Santonian | USA (Kansas) | Hadrosaurus agilis (28369) | |
Campanian | USA (Montana) | C. sp. (107426) | |
Campanian | USA (South Dakota) | C. affinis (52084) |