411 REFERENCE · Wiktionary
Opisthobranchia
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Etymology
From en opisthobranch with the gills behind the heart.
Proper noun
mul obsolete subclass class Gastropoda a polyphyletic taxon including all opisthobranchs; some core members are now classified as the Euopisthobranchia clade
Derived terms
Euopisthobranchia clade
References
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