Attributes / relations provided by
♦ 1Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 2CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 3Temporal and sexual eVects in the feeding ecology of the marbled sand skate Psammobatis bergi Marini, 1932, M. J. San Martin, J. M. Braccini, L. L. Tamini, G. E. Chiaramonte, J. E. Perez, Mar Biol (2007) 151:505513