A Af Am Ao At B Be Bl Br C Ce Ci Co Cr Cu D De Di Do E Em Et F Fi Fo Fu G Gl Gr H Hi I In Io J K Kl L Le Lo M Mai Mari Mc Mi Mo Mu N Ni O Om P Pe Ph Pl Pr Pu Q R Re Ri Ro Ru S Sc Se Si Sp St Su T Te Th Tr Tu U V Ve Vi W X-zzz
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Release 31.03 went live 18th November, 2011

Retusa mayoi

(Dall, W.H., 1889) Shell size to 8.3 mm Maine, USA
Taxonomic Information
ClassGASTROPODA OPISTHOBRANCHIA
OrderCEPHALASPIDEA
SuperFamilyPHILINOIDEA
FamilyRETUSIDAE
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Acad. Nat. Sci. Phil.
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