However, when Moore (1929) discovered a similar large ichthyodorulite in uppermost Pennsylvanian sediments in Eastland County, Texas, he named it a new species, Xystracanthus grandis.
B-S) found fragments of a large Physonemus spine that fit together to form an almost complete ichthyodorulite (Fig.
Elasmobranchii (Acanthodii), Holocephali, Ichthyodorulites
, Ostracodermi, Dipnoi, and Teleostomi (Crossopterygii and Chondrostean Actinopterygii).
Herman J, Hovestadt-Euler M Hovestadt DC, Stehmann M (1995) Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites
in living supraspecific taxa of chondrichthyans fishes Part B: Batomorphii No.
Contributions to the study of comparative morphology of teeth and other relevant ichthyodorulites
in living supraespecific taxa of Chondrichthyan fishes.