Meanings
- A cartilaginous structure connecting the stapes to the tympanic membrane in birds and reptiles
Abbreviations: ac, anterior crus; dp, dorsal process; htp, hypothetical tympanic process or ossified extrastapes, interpreted here as an artefact due to deformation; pc, posterior crus; qc, quadrate contact area; stf; stapedial foramen; stfp, stapedial footplate.
2015 July 16, “The Stapes of Gomphodont Cynodonts: Insights into the Middle Ear Structure of Non-Mammaliaform Cynodonts”, in PLOS ONE, →DOI
Origin
Cite this entry
extrastapes. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/extrastapes
“extrastapes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/extrastapes. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “extrastapes,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/extrastapes.
Source: extrastapes on Wiktionary, CC BY-SA 4.0.