| ELASMOBRANCH | • elasmobranch n. Any of many cartilaginous fish of the subclass Elasmobranchii. • ELASMOBRANCH n. any member of the Elasmobranchii, that include sharks, rays, and skates. |
| ELASMOBRANCHS | • elasmobranchs n. Plural of elasmobranch. • ELASMOBRANCH n. any member of the Elasmobranchii, that include sharks, rays, and skates. |
| LOPHOBRANCH | • lophobranch n. (Zoology) Any member of the order Lophobranchii of fishes. • LOPHOBRANCH n. any fish of the pipefish and seahorse genus. |
| LOPHOBRANCHIATE | • lophobranchiate adj. (Zoology) Of or pertaining to the Lophobranchii. • LOPHOBRANCHIATE n. any fish of the seahorse and pipefish genus. |
| LOPHOBRANCHS | • lophobranchs n. Plural of lophobranch. • LOPHOBRANCH n. any fish of the pipefish and seahorse genus. |
| MARSIPOBRANCH | • marsipobranch n. (Zoology) One of the Marsipobranchia. • MARSIPOBRANCH n. a member of the Marsipobranchi, the Cyclostomata. |
| MARSIPOBRANCHS | • marsipobranchs n. Plural of marsipobranch. • MARSIPOBRANCH n. a member of the Marsipobranchi, the Cyclostomata. |
| OPISTHOBRANCH | • opisthobranch n. (Zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group. • opisthobranch adj. (Of gills) Placed behind the heart. • opisthobranch adj. (Of a gastropod) Having gills placed behind the heart. |
| OPISTHOBRANCHS | • opisthobranchs n. Plural of opisthobranch. • OPISTHOBRANCH n. a type of mollusc having gills, little or no shell, two pairs of tentacles. |
| PROSOBRANCH | • prosobranch n. (Zoology) A gastropod with gills in front of the heart, formerly thought to belong to a single group. • prosobranch adj. (Of gills) Placed in front of the heart. • prosobranch adj. (Of a gastropod) Having gills placed in front of the heart. |
| PROSOBRANCHS | • prosobranchs n. Plural of prosobranch. • PROSOBRANCH n. any of a subclass of gastropod molluscs. |
| PULMOBRANCH | • PULMOBRANCH n. a lung-book. |
| PULMOBRANCHIATE | • pulmobranchiate adj. (Zoology) Breathing by means of lung sacs. • PULMOBRANCHIATE adj. relating to a pulmobranch, a lung-book. |
| PULMOBRANCHS | • PULMOBRANCH n. a lung-book. |
| ZYGOBRANCH | • zygobranch n. A zygobranchiate mollusc. • ZYGOBRANCH n. a type of gastropod having paired, symmetrically placed gills, also ZYGOBRANCHIATE. |
| ZYGOBRANCHIATE | • zygobranchiate adj. (Zoology) Of or pertaining to the Zygobranchia. • ZYGOBRANCHIATE n. a type of gastropod having paired, symmetrically placed gills, also ZYGOBRANCH. |
| ZYGOBRANCHIATES | • ZYGOBRANCHIATE n. a type of gastropod having paired, symmetrically placed gills, also ZYGOBRANCH. |
| ZYGOBRANCHS | • zygobranchs n. Plural of zygobranch. • ZYGOBRANCH n. a type of gastropod having paired, symmetrically placed gills, also ZYGOBRANCHIATE. |