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opisthobranchia's Usage Examples:

Such parapodia are common, though by no means universal, among Opisthobranchia.

In many respects the sea-hare (Aplysia), of which several species are known (some occurring on the English coast), serves as a convenient example of the fullest development of the organization characteristic of Opisthobranchia.

The variety of special developments of structure accompanying the atrophy of typical organs in the Opisthobranchia and general degeneration of organization is very great.

Many Opisthobranchia have by a process of atrophy lost the typical ctenidium and the mantleskirt, and have developed other organs in their place.

The heart lies in front of, instead of to the side of, the attachment of the ctenidium - hence Opisthobranchia as opposed to " Prosobranchia," which correspond to the Streptoneura.

The Euthyneura comprises two orders, Opisthobranchia and Pulmonata.

in Actaeon and Limacina among Opisthobranchia, and Chilina among Pulmonata.

the Opisthobranchia) we find the lobation of the foot still further carried out by the development of lateral lobes, the parapodia, whilst there are many Pectinibranchia, on the other hand, in which the foot has a simple oblong form without any trace of lobes.

Opisthobranchia.

Lanistes among Streptoneura, Limacinidae among Opisthobranchia).

opisthobranchia's Meaning':

gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares

Synonyms:

class Gastropoda, class Gasteropoda, Gasteropoda, class, Gastropoda, Nudibranchia, order Nudibranchia, subclass Opisthobranchia,

Antonyms:

inelegance,