Middle Devonian Spongiozoana Sphaerospongii tesselata p. 597 Manitoba |
Middle Devonian Polyp-Coral Heliophyllum p. 597 Canandaigua, N.Y. |
Middle Devonian Brachiopod p. 598 Atrypa |
Middle Devonian Brachiopod Spirifer Pennatus p.598 |
Middle Devonian Nautiloid Cephalapod Goniatites p. 599 can exceed 1 ft. in diameter |
Middle Devonian Trilobite Phacops rana p. 599 length to 8". |
Middle Devonian Phyllopod Echinocaris p. 600 length to 8" Canandaigua Lake N.Y. |
Middle Devonian Insect Xenoneura p. 600 wing spread to 5" St. Johns, New Brunswick related to Mayflies |