20376 - Top Beautiful Cut and Polished 2.50 Inch Septarian Nodule from South Morocco Fish Fossils Under Study Abbreviation: NWA 859

Abbreviation: NWA 859

Its root preserves the longitudinal stretch marks typical from this species

Preserves apart from its main teeth

This tooth has an outstanding preservation

20376 - Top Beautiful Cut and Polished 2.50 Inch Septarian Nodule from South Morocco Fish Fossils Under Study Abbreviation: NWA 859Septarian concretions or septarian nodules, are concretions containing angular cavities or cracks, called "septaria". The word comes from the Latin word septum; "partition", and refers to the cracks separations in this kind of rock. Cracks are highly variable in shape and volume, as well as the degree of shrinkage they indicate. Although it has commonly been assumed that concretions grew incrementally from the inside outwards, the fact that radially