Fossil whale tooth, Zygorhiza kochii (not authenticated)

This specimen consists of a fossilized tooth displayed inside a black framed shadowbox lined with white polyfill or cotton batting. The physical characteristics of the tooth show an elongated, curved conical shape with a darkened, enamel-like crown tapering to a pointed tip, and a lighter, heavily weathered root structure composed of porous, mineralized sedimentary matrix. The coloration ranges from dark gray-brown at the apex to a sandy, light tan along the broader root portion. Visible condition issues include natural breakage, surface cracking, and sediment infill typical of fossilized remains recovered from geological deposits. The display includes a white paper label affixed below the specimen, featuring printed text that reads verbatim: 'Whale Tooth / Zygorhiza kochii / (basilosaurid) / Priabonian / (Upper Eocene) / Samiat Formation / Dakhia, W. Morocco'. This label represents user-supplied context and unverified provenance information, as the specimen itself lacks direct, factory-stamped or scientifically certified markings within the image itself. The identification in the title rests entirely upon the visual morphology of the fossil and the accompanying descriptive label rather than a physical examination or professional laboratory authentication. The style and physical appearance are consistent with prehistoric marine mammal fossils originating from North African phosphate or sedimentary deposits, frequently dated to the Eocene epoch. The item exhibits the characteristic preservation state of fossilized bone and dentin, showing visible structural integrity but lacking official institutional cataloging numbers or certificates of analysis in the photograph.

Based on what I can see in the photograph, the item consists of a fossilized tooth presented in a display shadowbox with an accompanying label identifying it as Zygorhiza kochii from the Upper Eocene of Morocco. I cannot verify from a photo whether the geological provenance, species attribution, or age cited on the label are completely accurate, as the specimen lacks official laboratory certification or institutional cataloging. Physical inspection and expert paleontological assessment would be needed to confirm these details. The visual morphology shows typical characteristics of prehistoric marine mammal teeth from North African phosphate deposits, featuring a dark enamel-like crown and weathered root structure with natural surface cracking and sediment infill. The value estimate of $150-$300 assumes that the attribution to a genuine Eocene fossil whale tooth is correct. Market demand for fossilized marine mammal teeth is driven by decorative appeal, educational interest, and the hobbyist fossil market, though unauthenticated specimens typically trade in a lower bracket. If this item were to turn out to be a modern resin reproduction, cast replica, or common non-diagnostic fossil material, the market value would drop significantly to the $25-$50 range, representing its worth solely as a novelty decor item. To establish a higher level of certainty regarding its identity and origin, physical handling, microscopic examination, and consultation with a paleontology expert or provenance documentation would be required.