47 
(Calamites, Calamocladus) and the Club-moss 
(Lepidodendron) groups. 
Fig. 46. A Carboniferous Horse-tail — Calamocladus 
equisetiformis (Schlotb). 
From Silesia. 
Here are Carboniferous examples of the true Ferns Case r _113. 
(Sphenopteris, Pecopteris, as well as fern-like 
seed-bearing Plants (Alethopteris, Neuropteris) ). 
The marine fossils of this period include Foraminifera 
(Fusulina and Schwagerina) ; Corals (Cyatha- 
xonia, Lithostrotion) ; Sea-lilies (Actinocrinus) ; 
Lamp-shells (Lingula, Spirifer) ; and Molluscs 
(Aviculopecten, Carbonicola, Bellerophon, 
and Glyphioceras). 
