Hétérostracés

The Hétérostracés or Osteostracés ( Osteostraci ) are Vertébré S sailors.

Characteristic

facial Shield made of a single Os, not growing more once the adult animal.
Body flattened with mouth located on the top of the head.

See too

Sources

External bonds

emporia.edu

Random links:

Cryptology and literature | Monsec | San Marino (California) | Princess (film) | List novels on the country of OZ | Le_trafic_Grapher_de_routeur_de_Paessler