Attributes / relations provided by ♦ 1
Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org ♦ 2Cystophora cristata
, Kit M. Kovacs and D. M. Lavigne, MAMMALIAN SPECIES No. 258, pp. 9 (1986) ♦ 3
de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits.
Journal of Evolutionary Biology 22(8):1770-1774 ♦ 4Estimated Fish Consumption by Hooded Seals (Cystophora cristata), in the Gulf of St. Lawrence
, M. O. Hammill, C. Lydersen, K. M. Kovacs and B. Sjare, J. Northw. Atl. Fish. Sci., Vol. 22: 249257 (1997) ♦ 5CephBase
- Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database ♦ 6
McMeans, Bailey C., et al. "The role of Greenland sharks (Somniosus microcephalus) in an Arctic ecosystem: assessed via stable isotopes and fatty acids." Marine Biology 160.5 (2013): 1223+. Academic OneFile. Web. 14 July 2014. ♦ 7
Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database
of the Natural History Museum, London ♦ 8
Nunn, C. L., and S. Altizer. 2005. The Global Mammal Parasite Database
: An Online Resource for Infectious Disease Records in Wild Primates. Evolutionary Anthroplogy 14:1-2.
Range map provided by IUCN (International Union for Conservation of Nature), Conservation International & NatureServe.