THE CONCHOLOGICAL SYSTEM OF DE BLA.INVILLE. 



Classes. 



CEPHALOPHORA 



Orders. 



fCELLULACEA .. 



I 



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PARACEPHOLOPHO 

 DIOICA 



f Univalves . ^ 



TYPE 

 MALACOZOARIA 



PARACEPH A LOPHORA 

 MONOICA 



PARACEPHALOPHORA 

 (^ HERMAPHRODITA.. 



Aporobranchiata . . 



nucleobranchiata . 



^ ClRROBRANCHIATA . . 



J Cervicobranchiata 



^ Scctibranchiata . . 



TPalliobranchiata. . 

 RnDISTES 



L Bivalves . . ACEPHALOPHORA 



SUB-TYPE 



NEMATOPODA. 



^MMvalves^ 

 MALENTOZOARIA j ' ^ POLYPLAXIPHORA 



Polyphalamacea ....■>, 



fSlPHONOBRANCHIATA . "> 



I I 



1 



I^ASIPHONIBKANCHIATA < 



Puemobranchiata , 



Chismobranchiata . 



MONOPLEUROBRA N - 

 CHIATA 



Anrjyostomata . 

 Goniostomata , 



Cricostomata . 



I^Lamellibranchiata . ■< 



Families. Genera. 



Planulacea Renulina, Peneroplis. 



Spharulacea . . . Miliola, Pollontes, Melonia, Saracenaria, Textularia. 



Nummulacea .. Nummulites, Orbiculina, Helicites, Planentula, Vorticialis, Siderolites. 



Orthocerata .... Belemnites, Conularia, Conilites, Oithoceras, Baculites. 



Lituacea Icthysarcolites, Lituola, Spirula^ Spirolina, Hamites, Ammonoceras. 



Crisiacea Crepidulina, Oreas, Linthuris. 



Ammonacea . . . Discorbis, Scaphites, Ammonites, Simplegas. 

 Nautilacea .... Polystomelle, Nautilus, Lenticulina. 

 Turbinacea .... Cibicides, Rotalii.. 

 Turriculacea . . . Tun-ilites. 



Pleurotoma, Rostellaria, Fusus, Pyrula, Fasciolaria. 

 Turbinella, Columbella, Triton, Struthiolaria, Ranella, Murex. 

 „ . . . ( Cerithium, Pyiena, Melanopsis, Planaxis, .Subula, Terebra. 



■ \ Eburna, Buccinum, Harpa, Dolum, Cassis, Cassidaria, Ricinula. 



' Cancellaria, Purpura, Concholepas, Terebra, Mitra. 



S Strombus, Conus, Terebellum, Oliva, Ancillaria. 



i Voluta, Mitra, Marginella, Volvaria, Cyprsea, Ovulum. 

 Solarium, Trochus. 



r Monodonta, Turho, Pleurotomaria, Littorina, Delphinula, Cyclostoma. 



\ Paludina, Valvata, Scalaria, Proto, Turitella, Vermetus. 



C Siliquaria, Magilus. 

 Hernicycloslomata Nerita, Neritina, Clitbon, Velates, Pileolus, Navioella, Natica. 

 Ellipsostomata . , Helicina, Ampullaria, Melania, Rissoa, Phasianella, Pleurocerus. 



Oxystomata Janthina. 



Limnacea Limna;a, Physa, Planorbis. 



Auriculacea . . ■ Auricula, Pedipes, Tornatella, Tomogerus, Pyramidella. 

 Limacinea S Succinea, Bulinus, Achatina, Clausilia. 



\ Pupa, Partula, Helix, Vitrina, Testacella, Parmacella, Limacella, Limax. 



Sigaretus, Cryptostomata, Stomatella, Velutina. 



Sub-aplysiaca . . Pleurobranchus. 



Aplysiaca Aplysia, Dolabella. 



Patelloidea .... Umbrella, Siphonaria. 



Akera Bulla, Bellorophon, Sormetus. 



Thecosomata ... Hyahea, Cleodora, Cymbulia. 



Nectopoda Carinaria. 



Pteropoda Atlanta, Spiratella, Argonauta. 



Dentalium. 



Retifera Patella. 



Branchifera. . ■ ■ Fissurella, Emarginula, Parmophorus. 



Otides Haliotis, Ancylus. 



Calyptracea Crepidula, Calyptrsea, Capulus, Hipponyx, Notreraa. 



S Lingula, Terebratula, Strophomena, Dianchora. 



\ Thecidium, Plagiostoma, Podopsis, Orbicula, Crania. 



Sphaerulites, Hippurites, Radiolites, Birostrites, Calceola. 



Ostracea Anomia, Placuna. Osti'sea, Gryphje. 



Sub-ostracea . ■ . Spondylus, Plicatula, Hinnites, Pecten, Pedum, Lima. 

 Maraaritacea ■ ■ '* Vulsella, Malleus, Avicula, Perna, Crenatula. 



" \ Inoceramus, Catillus, Pulvinites, Gervdiia. 



Mytilacea. ,, ■ ■ ■ Pinna, Mytlius. 



Arcacea Area, Pectunculus, Nucula. 



Sub -mytilacea.. Anodon, Unio, Cardita. 



Chamacea Chama, Diceras, Etheria, Tridacna, Hippopus, Isocardium, Trigonia. 



SCardium, Donax, Tellina, Lucina, Cyclas. 

 Cyprina, Maetra, Erycina Crassatella. 

 Venerirupis, Venus, Coralhophaga. 

 Clotho, Corbula, Sphsenia, Ungulina. 

 f Pandora, Anatina, Thracia, Mya, Lutricola. 

 ) Psammocola, Solstellina, Sanguinolaria, Solenocurtus. 

 i Solen, Solemya, Panopsea, Glycimeris, Saxicava, Byssomya. 

 ' Rhomboides, Gastrochsena, Clavagella, Aspergillum. 



Adesmacea Pholas, Teredina, Teredo, Fristulana, Septaria. 



Lepadicea Gymnolepas, Pentalepas, Polylepas, Litholepas. 



J Balanus, Acasta, Octhosia, Conia, Creusia, Pyrgoma, Chthalamis. 



Balamdea J Coronula, Chelnobia, Cetopirus, Diadema, Tubicinella. 



Seriales Chiton, Chitonellus. 



Pylorides . 



