Giant Shingle Sea Urchin Shell (Colobocentrotus atratus) – Rare Helmet Urchin Test for Coastal Display & Scientific Collections
Helmet Urchin | Shingle Urchin | Indo-Pacific Volcanic Shore Species | Collector & Wholesale Supply
$7.00
Description
What’s Included
Quantity: 1 natural sea urchin shell (test)
Size Range: Approx. 2.5–4.5 inches (≈ 6–11.5 cm)
Shell Type
Common Name: Giant Shingle Urchin / Helmet Urchin
Scientific Name: Colobocentrotus atratus
Class: Echinoidea
Family: Echinometridae
Origin
Colobocentrotus atratus inhabits high-energy intertidal zones across the Indo-Pacific, particularly on volcanic rocky shorelines. It is uniquely adapted to withstand extreme wave action.
Appearance & Natural Features
Giant Shingle Urchin shells are highly distinctive and prized for:
Thick, flattened “helmet-like” dome shape
Dense, plate-like tubercles instead of long spines
Natural dark violet, deep purple, charcoal, or gray tones
Extremely solid, heavy structure compared to most urchins
Each specimen is naturally unique in color intensity, surface texture, and dome height.
Uses & Applications
This rare Helmet Urchin shell is ideal for:
Scientific and educational collections
Museum and academic displays
Cabinet of curiosities & natural history décor
Coastal, maritime, and volcanic-themed interiors
High-end shell collections and specialty retail
Due to its rarity and unusual morphology, this species is best displayed as a stand-alone collector specimen.
Natural Product Disclaimer
Photos show representative examples, not the exact shell
Natural variation in color, size, and surface texture is expected
Minor edge wear or natural erosion may occur from ocean conditions
Bulk & Wholesale Orders
We supply rare echinoderms and specialty shells to professional buyers, including:
Museums & educational institutions
Shell collectors & specialty retailers
Interior designers & stylists
Coastal décor brands & scientific suppliers
📧 Email: cyan@seashell-supply.com
💬 Or simply send us a message to discuss your needs.
Every seashell is a gift from the ocean, and I pack each one with the care it deserves, ensuring its safe journey to you.
Preparation Time: I will carefully wrap your seashells in recycled paper and twine within 1-3 business days, making it feel like a personal gift from the sea.
Shipping Method: I use reliable standard shipping and will provide you with a tracking number, so you can follow your shell’s journey.
International Orders: For shells traveling across oceans, please allow a little extra time. Sometimes customs checks can extend their journey.