For 10 points, name these creatures, one of whose shells was used to create the first lyre by Hermes.
Ea was identified with one of these creatures on Kassite tablets. Nu Gua uses the legs of one of these figures to hold up the sky, and the guardian of the north, Genbu, takes this shape. The Minogame is one of these creatures with a feathery tail. A figure who refused to attend Hera and Zeus' wedding was turned into one of these and was named Chelone, and Sciron pushed travellers off a cliff that contained a giant one of these creatures at the bottom. The I Ching was composed from trigrams printed on one of these creatures,  Kurma and Akupara are examples of them in Hinduism, the latter of which carries the world on its back. For 10 points, name these creatures, one of whose shells was used to create the first lyre by Hermes.
Ea was identified with one of these creatures on Kassite tablets.
{Turtle} or {Tortoise}