order_exocycloida | ||
1. | [ noun ] (biology,zoology) flat sea urchins | |
Synonyms: | Exocycloida | |
Related terms: | animal_order Echinoidea sand_dollar | |
Similar spelling: |
order_Octopoda order_Coccidia order_Chelonia order_Crocodilia order_Crocodylia order_Chelonethida order_Psocoptera order_Pelycosauria order_Ericales order_Ephemerida order_Orchidales |