X Table of Contents 



Family Sphyrnidae 407 



Genus Sfhyrna 408 



Sfhyrna bigelowi 410 



Sfhyrna diflana 415 



Sfhyrna tiburo 420 



Sfhyrna tudes 428 



Sfhyrna zy gaena 436 



Suborder Squaloidea 449 



Family Squalidae 450 



Genus Squalus 452 



Squalus acanthias 455 



Squalus cubensis 473 



Genus Squalus, Addendum 478 



Squalus fernandinus 478 



Genus CentroscylUum 480 



Centroscyllium jabricii 482 



Genus Eimofterus 487 



Etmofterus hillianus 488 



Genus Centroscymnus 493 



Centroscymnus coelolefis 494 



Family Dalatiidae 499 



Genus Dalatias 500 



Dalatias licha 502 



Genus Isistius 508 



Isistius brasiliensis 509 



Genus 5omwo5MJ 514 



Somniosus microcefhalus 5^6 



Family Echinorhinidae 526 



Genus Echinorhinus 526 



Echinorhinus brucus S'^1 



Suborder Pristiophoroidea 532 



Suborder Squatinoidea 533 



Family Squatinidae 534 



Genus Squatina 534 



Squatina dumeril 53 ^ 



Genus Squatina, Addendum 544 



Squatina argentina 544 



Index of Common Names 547 



Index of Scientific Names 552 



