Distant Relatives
In a snowy boreal forest, a pachyrhinosaurus (left) has dug up some frosty ferns that were buried beneath the snow. An alaskacephale (right), tired of eating pine-needles and bark all winter long, cautiously approaches the snow digger, pleading that the bigger dinosaur will leave some. Many people are not aware of this, but these two…
Description
In a snowy boreal forest, a pachyrhinosaurus (left) has dug up some frosty ferns that were buried beneath the snow. An alaskacephale (right), tired of eating pine-needles and bark all winter long, cautiously approaches the snow digger, pleading that the bigger dinosaur will leave some.
Many people are not aware of this, but these two are related. They’re both part of a large clade of ornithischian dinosaurs known as “Marginocephalia”, which includes all ceratopsians and pachycephalosaurians.













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