BioDic - Diccionario de Biología – Un diccionario de términos científicos, sencillo.
Del lat. vallacertaceae, del gén. Vallacerta, f. pl. Bot.
Pequeña familia de silicoflageladas sifonotestales, fósiles del terciario. Comprende formas con el esqueleto muy reducido, limitado a la parte apical. Vallacerta, Cornua, del Cretácico.
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