OSTEOSTRACI
Meaning of OSTEOSTRACI in English
ˌ ̷ ̷ ̷ ̷ˈästrəˌsī
Etymology: New Latin, from oste- + -ostraci (from Greek ostrakon shell) — more at oyster
synonym of cephalaspida
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012