The horseshoe crab has retained a similar form for millions of years. Such species are often called "living fossils". Jaa Sulje © Simo Veistola ja e-Oppi Oy Tämän kuvan tekstivastine: (tyhjä tekstivastine) ayriaiset_molukkirapu_sveistola_eoppi_1383_peda_p.jpg 471.3 kt
