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ITmbrella Lamck. contin. 



Cuv. 1830. R. a. ed. 2a. (ed. Voigt lU. p. 141.) — 



in Tectibraiichiatis. 

 SwAiNs. 1840. Mal. i>. 252. 361. — genus Pleuro- 



branchinarum. 



Pariter Cantr. 1841. Malac. medit. |>. 91. 

 D'Orb. 1841. Moll. Cub. I. p. 115. et 1842. Pal. 



franQ. * — Umbella ~- genus Pleurobranchi- 



darum. 

 Synon. Operculatum Linn. (Mus. TeajSi.) 



Patella (sp.) Chemn. Gmel. etc 



Acardo (sp.) Lamck. olim. 



Acardo Miihlf. Oken. Menke olim. 



Umbraculum Schum. 



Gastroplax Blainv. olim. 



Ombrella Blainv. Bisso. 



Umbella D'Orb. 



rmbpellaeea Menke 1830. Syn. ed. 2a p. 11. 

 Etym. Umbrella. 

 Prima fainilia Pomatobranchiorum. Geuera : Um" 



brella, Siphonaria, Tylodina. 

 Synon. Umbrellae Fer. Desh. 



Patelloidea Blainv. 



Umbrellaceae Menke olim. 



Umbrellidae Gray (et Siphonariadae Gpay.) 



l'mbi*ellaceae Menke olim 1828. Syn. p. 6. 



Altera familia Hemiphyllidinarum. Genera: Umbrella, 



Acardo. 



Umbpellae (les Ombrelles) Fer. 1821. Tabl. syst. p. XXIX. 

 Prima famiiia Semiphyllidianorum. Unicum genus: 



Umbreila. 

 Desh. 1830. Enc. meth. III. tabl. — prima fam. Pleu" 

 robranchiorum. Genera: Umbrella, Siphonaria. 

 = Umbrellacea Mke. 



Umbreliidae Gray 1840. Syn. Br. Mus. * ed. 1842. p. 

 65. 90. 

 voi. iL 42 



