Spatangoida spatangoid • Spatangoidea · · · Info · Definitions · Characters · · Spatangoida · · Text Latin · · Script 11 · · Length Definitions · · · (noun) heart-shaped sea urchins. Synonyms: order Spatangoida. · · Noun Definition 1 Characters · · S latin capital letter s U+0053 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074