1. Rock material formed from consolidated mud or sediment that filled a hollow organic structure, such as a fossil shell. 2. The fossil formed after dissolution of the mold. Also known as endocast; internal cast.
Related terms:
1. Rock material formed from consolidated mud or sediment that filled a hollow organic structure, such as a fossil shell. 2. The fossil formed after dissolution of the mold. Also known as endocast; internal cast.
Related terms: