challenge: According to Juan Leardi and colleagues, which of the following is the definition of Sebecidae in PhyloCode?
  
  A. The most exclusive clade containing Sebecus icaeorhinus and Bretesuchus bonapartei
  B. The least inclusive clade containing Sebecus icaeorhinus, Bretesuchus bonapartei, Barinasuchus arveloi, and Sahitisuchus fluminensis
  C. The least exclusive clade containing Barinasuchus arveloi and Sahitisuchus fluminensis
  D. The most inclusive clade containing Sebecus icaeorhinus, Bretesuchus bonapartei, and Barinasuchus arveloi
  Answer: 