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Haplocanthosaurus priscus

Taxonomy
Haplocanthus priscus was named by Hatcher (1903). Its type specimen is CM 572. Its type locality is Felch Quarry 1, Garden Park (YPM), which is in a Kimmeridgian/Tithonian channel sandstone/claystone in the Morrison Formation of Colorado. It is the type species of Haplocanthosaurus, Haplocanthus.

It was recombined as Haplocanthosaurus priscus by Hatcher (1903), Hatcher (1903), Hatcher (1903), Huene (1927), Steel (1970), Jain et al. (1979), Calvo and Salgado (1995), Wilson and Sereno (1998), Salgado (1999), Bonaparte (1999), Upchurch et al. (2004), Apesteguía (2005), Gallina and Apesteguía (2005) and Chure et al. (2006).

Synonyms
Synonymy list
YearName and author
1903Haplocanthosaurus priscus Hatcher
1903Haplocanthus priscus Hatcher p. 1
1903Haplocanthosaurus priscus Hatcher p. 6
1903Haplocanthosaurus utterbacki Hatcher p. 27
1903Haplocanthosaurus priscus Hatcher p. 100
1927Haplocanthosaurus priscus Huene p. 457
1927Haplocanthosaurus utterbacki Huene p. 457
1970Haplocanthosaurus priscus Steel p. 66
1970Haplocanthosaurus utterbacki Steel p. 66
1979Haplocanthosaurus priscus Jain et al. p. 206
1995Haplocanthosaurus priscus Calvo and Salgado p. 30 fig. 18
1998Haplocanthosaurus priscus Wilson and Sereno p. 19
1999Haplocanthosaurus priscus Bonaparte p. 158
1999Haplocanthosaurus utterbacki Bonaparte p. 158
1999Haplocanthosaurus priscus Salgado p. 210
2004Haplocanthosaurus priscus Upchurch et al. p. 266
2005Haplocanthosaurus priscus Apesteguía p. 252 fig. 12.1
2005Haplocanthosaurus priscus Gallina and Apesteguía p. 158
2006Haplocanthosaurus priscus Chure et al. p. 236

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