1 — 3. Asterophyllites equisetiformis Brongn. 4 — 6. Asterophyllites grandis Sternb. sp. 7 — 9. Asterophyllites 
rigidus Sternb. sp. 
J. Beyer del. 
Taf. XVII. 
Lith. Allst, v. J. G. Bach, Leipzig. 
