Biol.
an artificial taxonomic category including species, esp. of fossil forms, grouped together on the basis of morphological resemblance.
[ 1870-75 ]
Biol.
an artificial taxonomic category including species, esp. of fossil forms, grouped together on the basis of morphological resemblance.
[ 1870-75 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012