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Webster 1913 Edition
Petalosticha
‖
Petˊa-los′ti-cha
,PROP.
Noun.
pl.
[NL., from Gr.
πέταλον
a leaf + στίχοσ
a row.] (Zool.)
An order of Echini, including the irregular sea urchins, as the spatangoids. See
Spatangoid
.