The Pamphlet Collection of Sir Robert Stout: Volume 6
Lamnidæ
Lamnidæ.
The first dorsal opposite to the space between the pectoral and ventral fins, without spine; an anal fin. No nictitating membrane. Mouth crescent-shaped, inferior; nostrils not confluent with the mouth. Gill-openings generally wide. Spiracles none, or minute.
Odontaspis americanus. South coast.