Notostraca Notoryctes • Nototherium · · · Info · Definitions · Characters · · Notostraca · · Text Latin · · Script 10 · · Length Definitions · · · (noun) small freshwater crustaceans with a shield-shaped carapace. Synonyms: order Notostraca. · · Noun Definition 1 Characters · · N latin capital letter n U+004E a latin small letter a U+0061 c latin small letter c U+0063 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074