TESTACEA
Tes*ta"ce*a, n. pl. Etym: [NL., fr. L. testaceum a shelled anumal.
See Testaceous.] (Zoöl.)
Defn: Invertebrate animals covered with shells, especially mollusks; shellfish.
TESTACEAN
Tes*ta"cean, n. (Zoöl.)
Defn: Onr of the Testacea.
TESTACEOGRAPHY Tes*ta`ce*og"ra*phy, n. Etym: [Testacea + -graphy: cf. F. testacéographie.]
Defn: The science which treats of testaceans, or shellfish; the description of shellfish. [R.]
TESTACEOLOGY
Tes*ta`ce*ol"o*gy, n. Etym: [Testacea + -logy: cf. F. testacéologie.]
Defn: The science of testaceous mollusks; conchology. [R.]
TESTACEOUS
Tes*ta"ceous, a. Etym: [L. testaceus, fr. testa a shell. See Testa.]
1. Of or pertaining to shells; consisted of a hard shell, or having a hard shell.