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Costa rocosa de Cabo de Palos (Murcia).
Reddish brown small sea urchin, measuring in diameter some 6 to 7 cm, without ...
Son una clase del filo Equinodermos. Son de forma globosa o discoidal (dólares ...
Especie de erizo de mar regular, de cuerpo globoso y algo comprimido en sentido ...
It has a circular, flattened greenish test with a diameter of up to seven ...
The white dots are the suckers, they are at the extreme end of the foot. Acting ...