A new species of Tylodinidae (Mollusca: Opisthobranchia) from the northeastern Pacific

Name: Work Video:
Duration: 3 min 30 s
Description: Abstract A notaspidean opisthobranch dredged from the Pacific coast of Canada (in 25–366 m of water), Roya spangotheras sp. nov., is described and compared with its congeners of Norway, and Australia/New Zealand, The radular morphology of the two presently known tylodinid genera (Tylodina and Roya) is compared with scanning electron micrographs.
H Bertsch
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