 | fossils of Achelousaurus were collected in Montana in 1987, by a team led by Jack Horner, with more finds made in 1989. In 1994, Achelousaurus horneri was... 79 KB (9,596 words) - 13:20, 29 March 2024 |
 | albertensis, but in a clade including Pachyrhinosaurus, Einiosaurus and Achelousaurus, and therefore McDonald and Horner gave the species the new genus name... 48 KB (5,284 words) - 09:50, 10 May 2024 |
 | Styracosaurus, Stellasaurus, Einiosaurus, Achelousaurus, and Pachyrhinosaurus. Pachyrhinosaurus and Achelousaurus form the clade of pachyrhinosaurins called... 8 KB (421 words) - 01:19, 27 April 2024 |
 | holotype, a name-bearing specimen. The same abstract named Type C as Achelousaurus horneri. In 1995, Sampson published a larger article, indicating the... 28 KB (3,458 words) - 01:04, 5 January 2024 |
 | intraspecific combat. The massive bosses on the skulls of Pachyrhinosaurus and Achelousaurus resemble those formed by the base of the horns in modern musk oxen,... 15 KB (1,555 words) - 11:24, 31 March 2024 |
 | Rubeosaurus (now seen as a synonym of Styracosaurus), Einiosaurus, and Achelousaurus were discovered in. Originally proposed as a distinct taxon in 1992... 10 KB (882 words) - 07:32, 14 February 2024 |
 | include Pachyrhinosaurus, Avaceratops, Einiosaurus, Albertaceratops, and Achelousaurus. The cladogram presented below represents a phylogenetic analysis by... 22 KB (2,027 words) - 19:21, 14 May 2024 |
 | Achelousaurus horneri... 18 KB (1,538 words) - 11:20, 31 March 2024 |
 | his late friend Bob Makela) and has had three named after himself: Achelousaurus horneri, Anasazisaurus horneri, and Daspletosaurus horneri. Within the... 28 KB (2,482 words) - 15:47, 5 April 2024 |
 | TMP 2002.76.1, which may be a specimen of Pachyrhinosaurus, Achelousaurus, or a new taxon, in Royal Tyrrell Museum... 30 KB (3,093 words) - 19:10, 9 April 2024 |