| CLAS | all the yellow-green algae having flagella of unequal length |
|---|---|
| CLAS | insects |
| CLAS | hermaphroditic aquatic or terrestrial or parasitic annelids |
| CLAS | class of echinoderms including the sea cucumbers |
| CLAS | sponges with 6-rayed siliceous spicules |
| CLAS | coelenterates typically having alternation of generations |
| CLAS | used in some classifications |
| CLAS | insects |
| CLAS | oysters |
| CLAS | small free-swimming tunicates |
| CLAS | comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids |
| CLAS | (British) a list issued by examiners that categorizes students according to the class of honours they achieved in their degree examinations |