Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: NounDescription: {{paleontology}} The hypothetical precursors of bird feathers, believed to have been grown by certain dinosaurs.Ngram: protofeatherNgram Text: protofeatherSource: WiktionaryIssue: 0Wiktionary tag: paleontologyNgram Count: 1
