2.2 Models of Pteraspis
Above: Model Pterapsis seen from above.
This model of the jawless vertebrate Pteraspis are somewhat larger than the real animal, but give a fairly accurate idea of what we know about this form. Note the following features:
- The large head-shield.
- The smaller scales covering the posterior half of the animal.
- The hypocercal tail.
- The dorsal and lateral spines.
Can you identify the eyes, mouth, single combined gill opening, and nasal openings?
Above: Model Pterapsis seen from the right.
Above: Model Pterapsis seen from the front right.
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