# Spinosaurus Neural Spine Fragment - Authentic Kem Kem Fossil Specimen

The dorsal sail of **Spinosaurus** - formed by dramatically elongated neural spines rising from each vertebra - is one of the most visually distinctive structures in the entire dinosaur fossil record. The function of this sail remains a subject of active scientific debate: thermoregulation, sexual display, fat storage, and species recognition have all been proposed. Whatever its purpose, it made Spinosaurus unmistakable. This **authentic Spinosaurus neural spine fossil** is a piece of a real fossilized Spinosaurus neural spine from the Kem Kem fossil beds of Morocco.

## **A Fragment of the Most Debated Structure in Dinosaur Paleontology**

This is not a cast. This is a genuine piece of a Spinosaurus neural spine - the elongated vertebral process that formed the sail of the largest carnivorous dinosaur ever discovered. Presented with an informational card that serves as the statement of authenticity.

## **The Authentic Spinosaurus Neural Spine Fossil for Your Collection**

This specimen is the complement to the Spinosaurus Tooth collection - tooth and sail together represent the two most iconic anatomical features of this extraordinary dinosaur. Each specimen includes a Mini Museum certificate of authenticity and informational display card. Explore more in our [Prehistoric Collection](https://www.museumize.com/collections/era-prehistoric-art-collection) and our [Natural History Collection](https://www.museumize.com/collections/natural-history-collection).

### **Product Details**

-   **SKU:** 80-112-0507-201-40
-   **Element:** Neural spine (sail spine) fragment
-   **Formation:** Kem Kem fossil beds, Morocco
-   **Includes:** Statement of authenticity and informational card

## Details

- **Price:** 39.0 USD
- **Vendor:** Mini Museum
- **Type:** Rocks & Fossils
- **Tags:** authentic-fossil-specimens, era-prehistoric-art-collection, Mini Museum, rocks-fossils, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 39.00 USD | In stock |

## Images

- Spinosaurus Neural Spine Fragment - Authentic Kem Kem Fossil Specimen
- Spinosaurus Neural Spine Fragment - Authentic Kem Kem Fossil Specimen
- Spinosaurus Neural Spine Fragment - Authentic Kem Kem Fossil Specimen

---

> Source: [Museumize.com](https://www.museumize.com/products/spinosaurus-sail)
> Updated: 2026-06-25