- 664 — 



f/nlconcha» Latr. contin. 



a) Clausiconchae. Familiae: Chamacea, Car- 

 diacea, Cycladina, Veneridae, Tellinidae, Cor- 

 bulaea, Mactracea, Anjphidesmitae. 



b) Hianticonchae. Familia : Myaria, Solenidae, 

 Pholadaria. 



rMleornu Petiveb 17U. Gazopb. tab. 56. 75. 100. * 

 Eiym. Unus; coruu. 

 Fabbic. 1822. Fortegn. p, 81. 

 = Melania, terebra, Cerithium. 



tJnleorniift Montf. 1810. Conch. syst. II. p. 454. 

 = Acanthina Fisch, 



Vnlloculttrla Brug. 1789. Enc. meth. I. p. XIV. 

 Etym. Unus; loculus. 

 Univalvium sectio prima, sic divisa: 



1 ) sine spira regulari : Fissurella, Patella, Dentalium, 

 Serpula, Penicillus, Siliquaria. 



2) spira regulari: Conus, Cypraea, Ovula, Oliva, 

 Voluta, Buccinum, Purpura, Cassidea, Strombus, 

 Murex , Fusus , Cerithium , Terebra , Trochus, 

 Turbo, BuUa, Bulimus, Helix, Planorbis, Natica, 

 Nerita, Haliotis, Argonauta. 



Lamck. 1799. Prodr. p. 69. — subsectiones : 



1) apertura effusa, sive emarginata , sive canali- 

 culata ad basin: Conus, Cypraea, Ovula, Tere- 

 bellum, Oliva, Ancilla, Voluta, Mitra, Columbella, 

 Marginella , Cancellaria , Nassa , Purpura , Bucci- 

 num, Terebra, Harpa, Cassis, Strombus, Ptero- 

 cera, Rostellaria, Murex, Fusus, Pyrula, Fascio- 

 laria, Turbinella, Pleurotoma, Cerithium. 



2) apertura integra : Trochus, Solarium, Turbo, Mo- 

 nodonta , Cyclostoma , Turriteila, Janthina, Bulla, 

 Bulimus , Achatina , Lymnaeij , Melania , Pyrami- 

 della, Auricula, Ampullaria, Planorbis, H«lix, 

 Helicina, Nerita, Natica, Sigaretus, Stomatia, 

 Haliotis, Patella, Fissurella, Crepidula, Calyptraea, 



