Reconstruction of Rhizodus hibberti 。圖片來源：DiBgd，採用  CC BY-SA 4.0  授權。 Age Carboniferous（Visean-Serpukhovian） 330-300 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Dipnotetrapodomorpha Order: Rhizodontida Family: Rhizodontidae Genus: Rhizodus Species: Rhizodus hibberti Morphological description In the Carboniferous deposits of Scotland, Rhizodus hibberti  reached a very large body size, and its fin and limb bones are preserved with remarkable completeness. The anterior