1) Family dermochelyidae 2) Reptile family 3) Sea turtles 
The Dermochelyidae are a family of turtles which has eight extinct genera and one extant genus, including the largest living sea turtles. ==Classification of known genera== The following list of dermatochelyid species was published by Hirayama and Tong in 2003, unless otherwise noted. ==Bibliography== ...
(from the article `sea turtle`) any of seven species of marine turtles belonging to the families Dermochelyidae (leatherback sea turtles) and Cheloniidae (green turtles, flatback ...
[n] - sea turtles
family Dermochelyidae noun sea turtles