Home›Articles›Mammalia, the jaw bones that became an earArticlesMammalia, the jaw bones that became an earCitation FormatsGeneral ReferenceGeneral Reference Citation TextNature Atlas. "Mammalia, the jaw bones that became an ear." Accessed September 8, 2026. https://nature.interactiveatlas.org/articles/mammalia-jaw-bones-that-became-an-ear.Copy General ReferenceAPA StyleAPA Style Citation TextNature Atlas. (n.d.). Mammalia, the jaw bones that became an ear. Retrieved September 8, 2026, from https://nature.interactiveatlas.org/articles/mammalia-jaw-bones-that-became-an-earCopy APA StyleBibTeXBibTeX Citation Text@misc{natureatlas-mammalia-the-jaw-bones-that-became-an-ea, author = {Nature Atlas}, title = {Mammalia, the jaw bones that became an ear}, year = {2026}, url = {https://nature.interactiveatlas.org/articles/mammalia-jaw-bones-that-became-an-ear}, note = {Accessed September 8, 2026} }Copy BibTeXCross-Tradition ConnectionsSourcesComments (0)Reader Challenges (0 open reader challenges)Cross-Tradition ConnectionsArticle OnMammalia, Taxa Well-attested SourcesMammal (Wikipedia)Anatomy: Distinguishing features sectionQuote, Anatomy: Distinguishing features sectionIn crown-group mammals, sound is carried from the eardrum by a chain of three bones, the malleus, the incus and the stapes. Ancestrally, the malleus and the incus are derived from the articular and the quadrate bones that constituted the jaw joint of early therapsids.View the SourceNature Atlas Long-Form Articles, First EditionComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0 open reader challenges)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.View At A Past YearThe atlas records no dated fact of its own for this entry, so there is no other year to choose.Show This Year