7 Major Vertebrates and their Skulls | Chordata | Zoology
In all the vertebrates neurocranium, dermatocranium and splanchnocranium are the same. But still there are differences in form and detailed structure of skull. Vertebrate # 1. Cyclostomata: In cyclostomes the skull is cartilaginous and very incomplete. In hagfishes it consists of a plate of cartilage on which brain rests. The otic capsules are joined to the posterior part of this [...]