parasphenoid
Long, unpaired median dermal bone that runs almost the entire length of the cranium. Contacts the prevomer anteriorly, and the prootic and basioccipital posteriorly. Anteriorly the parasphenoid is a long, thin bone that widens abruptly at the point of contact with the prootic.
TAO:0000561
zebrafish_anatomy
ZFA:0000561
dermal bone