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Lophorhothon
Taxonomy
Lophorhothon was named by Langston (1960). Its type is Lophorhothon atopus.
It was assigned to Hadrosauroidea by McDonald et al. (2010), Prieto-Marquez and Salinas (2010) and Prieto-Márquez and Wagner (2010); to Hadrosauroidea by Prieto-Márquez (2010), Prieto-Márquez (2010) and Gates et al. (2011); to Hadrosauridae by Kuhn (1964), Romer (1966), Thurmond and Jones (1981), Russell (1984), Carroll (1988), Horner (1992) and Ebersole and King (2011); to Hadrosaurinae by Langston (1960), Tatarinov (1964), Rozhdestvensky (1968), Hopson (1975), Brett-Surman (1979), Weishampel and Weishampel (1983), Maryanska and Osmólska (1984), Weishampel and Horner (1990), Chapman and Brett-Surman (1990), Forster and Sereno (1994), Dodson (1997), Godefroit et al. (1998), Horner et al. (2004), Godefroit et al. (2004), Sues and Averianov (2009), Cruzado-Caballero et al. (2010) and Ramírez-Velasco et al. (2012); to Saurolophini by Cruzado-Caballero and Powell (2017); and to Hadrosauridae by Verdú et al. (2021).
It was assigned to Hadrosauroidea by McDonald et al. (2010), Prieto-Marquez and Salinas (2010) and Prieto-Márquez and Wagner (2010); to Hadrosauroidea by Prieto-Márquez (2010), Prieto-Márquez (2010) and Gates et al. (2011); to Hadrosauridae by Kuhn (1964), Romer (1966), Thurmond and Jones (1981), Russell (1984), Carroll (1988), Horner (1992) and Ebersole and King (2011); to Hadrosaurinae by Langston (1960), Tatarinov (1964), Rozhdestvensky (1968), Hopson (1975), Brett-Surman (1979), Weishampel and Weishampel (1983), Maryanska and Osmólska (1984), Weishampel and Horner (1990), Chapman and Brett-Surman (1990), Forster and Sereno (1994), Dodson (1997), Godefroit et al. (1998), Horner et al. (2004), Godefroit et al. (2004), Sues and Averianov (2009), Cruzado-Caballero et al. (2010) and Ramírez-Velasco et al. (2012); to Saurolophini by Cruzado-Caballero and Powell (2017); and to Hadrosauridae by Verdú et al. (2021).
Species
L. atopus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Lophorhothon Langston p. 321 figs. 146-158 |
| 1964 | Lophorhothon Kuhn p. 22 |
| 1964 | Lophorhothon Tatarinov p. 561 |
| 1966 | Lophorhothon Romer p. 370 |
| 1968 | Lophorhothon Rozhdestvensky |
| 1975 | Lophorhothon Hopson p. 25 fig. 3 |
| 1979 | Lophorhothon Brett-Surman p. 561 fig. 1 |
| 1981 | Lophorhothon Thurmond and Jones p. 145 |
| 1983 | Lophorhothon Weishampel and Weishampel p. 44 |
| 1984 | Lophorhothon Maryanska and Osmólska p. 131 |
| 1984 | Lophorhothon Russell p. 24 |
| 1988 | Lophorhothon Carroll |
| 1990 | Lophorhothon Chapman and Brett-Surman p. 177 |
| 1990 | Lophorhothon Weishampel and Horner p. 557 |
| 1992 | Lophorhothon Horner p. 15 |
| 1994 | Lophorhothon Forster and Sereno p. 25A |
| 1997 | Lophorhothon Dodson p. 12 |
| 1998 | Lophorhothon Godefroit et al. p. 51 |
| 2004 | Lophorhothon Godefroit et al. p. 147 |
| 2004 | Lophorhothon Horner et al. p. 440 |
| 2009 | Lophorhothon Sues and Averianov p. 2554 |
| 2010 | Lophorhothon Cruzado-Caballero et al. p. 1510 fig. 4 |
| 2010 | Lophorhothon McDonald et al. p. 33 fig. 39 |
| 2010 | Lophorhothon Prieto-Marquez and Salinas p. 835 fig. 20 |
| 2010 | Lophorhothon Prieto-Márquez p. 5 fig. 2 |
| 2010 | Lophorhothon Prieto-Márquez and Wagner p. 1243 fig. 3 |
| 2011 | Lophorhothon Ebersole and King p. 82 |
| 2011 | Lophorhothon Gates et al. p. 801 |
| 2012 | Lophorhothon Ramírez-Velasco et al. p. 392 |
| 2017 | Lophorhothon Cruzado-Caballero and Powell p. 12 fig. 13 |
| 2021 | Lophorhothon 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Langston 1960 | Cresed hadrosaurines with elevated cranium and short snout, broad orbits and wide temporal fenestrae; pyramidal crest on nasals resembling crest of Prosaurolophus but situated well forward of the orbits. Immature individuals with large fronto-nasal fontanel. Teeth with heavily crenulated enamel surfaces and denticulate coronal margins. |
Measurements
No measurements are available
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| Source: g = genus, subo = suborder, o = order | |||||
| References: Peczkis 1995, Marsh 1875, Benton 1983 | |||||
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (Alabama) | Hadrosauridae indet. (52053) |