Review Volume 8, Issue 4 pp 589—602

Figure 1. The senescence phenotype types among various animal clades. Symbols and abbreviations: 1 - Type of senescence (Bi - biologically immortal, nS - mortal: nonsenescent, Se - mortal: senescent); 2 - Growth (body size increase of adults) and regenerative abilities (GR - constant growth and high regeneration, NR - no growth and high regeneration, NL - no growth and low regeneration, NN - no growth and no regeneration); 3 - Lifespan (L - long, i - intermediate, S - short); Pisces - Classes: Chondrichthyes, Sarcopterygii and Actinopterygii.