ichthyodorulite

ichthyodorulite

(ˌɪkθɪəʊˈdɔːjʊˌlaɪt) or

ichthyodorylite

n
(Zoology) a spiny plate located on the tail and back of some fish or similar vertebrates
References in periodicals archive ?
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).