pennibrachium

名词 n.
中文释义

英文释义

名词 n.
  1. A forelimb, found on various species of extinct and extant coelurosaur, that is not used in flight or gliding but still bears long, typically pennaceous feathers which form a winglike surface.
    — Some dromaeosaurid, troodontid, oviraptorosaur and therizinosaur specimens show the presence of what we term a ‘pennibrachium’, a forelimb bearing long feathers that form a planar, wing-like surface but are not necessarily used in aerial locomotion.

词形变化

pennibrachia plural

词源

From Latin penna (“feather”) + brachium (“arm”). Coined by Sullivan et al. in 2010.
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