English Dictionary - Letter S - Page 648

subclass Anapsida subclass Archaeornithes subclass Archosauria subclass Arecidae subclass Asteridae subclass Branchiopoda subclass Caryophyllidae subclass Cirripedia subclass Cnidosporidia subclass Commelinidae subclass Copepoda subclass Crossopterygii subclass Diapsida subclass Dibranchia subclass Dibranchiata subclass Dilleniidae subclass Dipnoi subclass Discomycetes subclass Elasmobranchii subclass Entomostraca subclass Euascomycetes