The Geographical Distribution of Animals, Volume 2 / With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface

by Alfred Russel Wallace

Distribution.—Open seas of all warm regions. Two species fossil in Tertiary deposits.

Family 2.—OCTOPODIDÆ. "Polypi." (7 Genera, 60 Species).

Distribution.—Norway to New Zealand, all tropical and temperate seas and coasts.

Family 3.—TEUTHIDÆ. "Squids or Sea-pens." (16 Genera, 102 Species.)

Distribution.—Universal, to Greenland; 2 other genera are fossil, in the Lias and Oolite.

Family 4.—SEPIADÆ. "Cuttle Fish." (1 Genus, 30 Species).

Distribution.—All seas: 4 other genera are fossil, in Eocene and Miocene deposits.

Family 5.—SPIRULIDÆ. (1 Genus, 3 Species).

Distribution.—All the warmer seas.

Family 6.—BELEMNITIDÆ. Fossil. (6 Genera, 100 Species).