Cervera, J. L.; Gosliner, T. M.; Garcia, G. J. C.; Ortea, J. A. (2000). A new species of Berthella Blainville, 1824 (Opisthobranchia: Notaspidea) from the Canary Islands (Eastern Atlantic Ocean), with a re-examination of the phylogenetic relationships of the Notaspidea. Journal of Molluscan Studies. 66: 301-311.
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Cervera, J. L.; Gosliner, T. M.; Garcia, G. J. C.; Ortea, J. A.
2000
A new species of <em>Berthella</em> Blainville, 1824 (Opisthobranchia: Notaspidea) from the Canary Islands (Eastern Atlantic Ocean), with a re-examination of the phylogenetic relationships of the Notaspidea
