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Volume 15: 31 October 1994
Two new Rissoina (s.s.) sister species from the Western Pacific.
W.J.M. Sleurs
Afdeling Malacologie Koninklijk Belgisch Instituut voor Natuurwetenschappen, 29 Vautierstraat B-1040 Brussels, Belgium.
Two new species of Rissoina (Rissoina) from the tropical western Pacific are named and their shells described. Both species seem to be closely related to each other differing mainly in protoconch characters and in larval development. No other similar species are recorded so far.
pp. 13-19

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