Meanings

tortoiseshell (of the hawksbill turtle)

carapace

rhinoceros beetle (esp. the Japanese rhinoceros beetle, Trypoxylus dichotomus)

shoulder blade

deck (of a ship)

Wood Rat (1st term of the sexagenary cycle, e.g. 1924, 1984, 2044)

basking (of animals with a shell or carapace, esp. turtles)

value in doing something

one's age

the older, the wiser

tortoise shell

hexagonal pattern

worth mentioning

to make a shrill sound

to be effective

shoulder girdle

A, B, C and D

Crustacea

afterdeck

60th birthday