In most mammals vertebrae are?? a)acoelous b)procoelous c)amphiplatyan d)platycoelous please explain. Share with your friends Share 0 Anita Singh answered this C. 0 View Full Answer Tirth answered this A. Because the vertebrae of mammals have convexity on both sides of vertebrae. That's why the mammals vertebrae is acoelus -1 Arman answered this Acoelous 0 Sai Krishna Naik answered this Acoelous 0 Gopesh Gurjar answered this amphibians 0 Mohd Anzar Khan answered this Acoelous. 1 Vanshika answered this Most mammals vertebrates platyvoelo 0