Article
Calado, G., Malaquias, M.A.E., Gavaia, C., Cervera, J.L., Megina, C., Dayrat, B., Camacho, Y., Pola, M. & Grande, C.
2003. New data on opisthobranchs (Mollusca: Gastropoda) from the southwestern coast of Portugal. Bol. Inst. Esp. Oceanogr. 19 (1-4): 199-204.
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Original Classification (root)
([unranked]) Gastropoda Cuvier, 1795