OCR Text |
Show 1 9 0 6 .] Division 2. G aleoidei. Family 1. Odontaspidiclce. Odontaspis, Scapanorhynchus. Family 2. Lamnidce. Lamna, Carcharodon, Cetorhinus, Alopias. Family 3. Orectolobidce. Parascyllium,Ginglynnostoma, Rhinodon, Orectolobus, OhiloscyIlium, Stegostoma. Family 4. Scyliorhinidce. Scyliorhinus, Pristiurus, Pseudotriacis. Family 5. Car char iidce. Carcharias, Galeocerdo, Thalassorhinus, Galeus, Trisenodon, Triads, Mustelus, Sphyrna. Division 3. Squaloidei. Family 1. Cochliodontidce. Psephodus, Pleuroplax, Xystrodus, Deltodus, Pcecilodus, Cochliodus. Family 2. Hybodontidce. a. Hybodontince-Orodus, Campodus, Sphenacan-thus, Tristychius, Hybodus, Acrodus, Astera-canthus. b. Palceospinacince-Palseospinax, Synechodus. Family 3. Cestraciontidce. Cestracion. Family 4. Squalidce. a. Squalince-CentroscyIlium, Echinorhinus, Oxy-notus, Etmopterus, Squalus, Scymnodon, Centroscymnus, Centrophorus, Scymnorhinus, Somniosus, Isistius, Euprotomicrus. b. Pristiophorince-Pristiophorus, Pliotrema. Family 5. Squatinidce. Squatina. Suborder 2. HYPOTREMATA. Division 1. N ar c o b a to id e i . Family 1. Torpedinidce. Torpedo, Narcine, Hypnos,Narce, Temera, Discopyge. SELACHIAN FISHES. 7 2 3 |