Skeletal morphogenesis of the vertebral column of the miniature hylid frog Acris crepitans, with comments on anomalies
The genome of the diploid anuran Xenopus tropicalis contains a novel array of sarcoplasmic myosin heavy chain genes expressed in larval muscle and larynx
From ScienceNOW, 28 May 2008
Published at http://publishing.royalsociety.org/media/biology_letters/rsbl20080219.pdf
by Lauren Cahoon (complete article below)
"X-Men fans rejoice: Wolverine has come to life, as a frog. When the comic book warrior faces a fight, metallic blades spring forth from his hand. A new study concludes that certain African frogs are similarly equipped, having sharp, claw-shaped bones that pierce through their own fingertips when the animal is threatened.