Wollesen, T., Rodríguez Monje, S. V., McDougall, C., Degnan, B. M., & Wanninger, A. (2015). The ParaHox gene Gsx patterns the apical organ and central nervous system but not the foregut in scaphopod and cephalopod mollusks. EvoDevo.

Wollesen, Tim, Sonia Victoria Rodríguez Monje, Carmel McDougall, Bernard M. Degnan, and Andreas Wanninger. "The ParaHox Gene Gsx Patterns the Apical Organ and Central Nervous System but Not the Foregut in Scaphopod and Cephalopod Mollusks." EvoDevo 2015.

Wollesen, Tim, et al. "The ParaHox Gene Gsx Patterns the Apical Organ and Central Nervous System but Not the Foregut in Scaphopod and Cephalopod Mollusks." EvoDevo 2015.