Australian Trumpet Shells (Syrinx aruanus) – World’s Largest Shell, Giant Rare Aruanus Display Specimens

World-Famous Giant Trumpet Shells | Australian Origin | Museum-Scale Display & Wholesale Supply

$199.00

What’s Included

  • Quantity: Sold individually or in bulk (wholesale quantities available)

  • Size: Approx. 16–23 inches (≈ 40–58 cm) long

Shell Type

  • Common Name: Australian Trumpet Shell / Giant Trumpet / Australian Blow Conch

  • Scientific Name: Syrinx aruanus

  • Family: Turbinellidae

Origin

Australian Trumpet shells are native to northern Australia, inhabiting open sandy seabeds along the continental shelf. These nutrient-rich waters and expansive habitats allow Syrinx aruanus to grow to extraordinary size.

Appearance & Natural Features

These giant shells are distinguished by:

  • Recognition as the largest shell of any living gastropod

  • Long, powerful trumpet-like form

  • Extremely thick, heavy shell walls

  • Natural cream to pale tan coloration with subtle surface texture

Each shell retains its natural scale, weight, and surface character, making it an unmistakable centerpiece.

Uses & Applications

Giant Australian Trumpet shells are highly sought after for:

  • Museum and institutional displays

  • Luxury interior and coastal décor

  • Hotel, resort, and commercial installations

  • Collector-grade specimens

  • Exhibitions and large-scale art projects

Due to their size and rarity, these shells are best suited for professional designers, collectors, and business clients.

Natural Product Disclaimer

  • Photos show representative examples, not exact shells

  • Natural growth lines, edge wear, and surface variations are expected

  • Color and appearance may vary due to natural conditions and display settings


Bulk & Wholesale Orders

We work with business and institutional clients worldwide, including:

  • Museums & universities

  • Interior designers & hospitality groups

  • Specialty retailers and collectors

  • Exhibition and event designers

Wholesale pricing, bulk availability, and custom logistics solutions are available.
For business inquiries, please email us at cyan@seashell-supply.com
or simply send us a message to discuss availability and transport requirements.

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.

The ocean never creates two identical shells, making the one you receive truly one-of-a-kind.

  • Damaged in Transit: If your shell is damaged during its journey, please contact me within 24 hours of receipt with a photo. I will immediately send a replacement or issue a full refund.

  • Not as Described: I do my best to represent each shell accurately through photos and descriptions. If you feel your shell is significantly different from what was described, please contact me within 7 days, and we will find a thoughtful solution.

  • A Note on “Change of Mind”: As each shell is a natural, unique item, I cannot accept returns or exchanges due to a “change of mind.” Please review the photos and dimensions carefully to ensure it’s the perfect “ocean companion” for you.

We are deeply committed to sustainable and ethical practices. All our shells are sourced responsibly—never from live-shelled creatures. We support marine conservation efforts and maintain transparency about our sourcing practices.

The pronounced stair-step whorls and spines of Hemifusus kawamurai help stabilize the shell on soft seabeds, preventing it from sinking too deeply into sand or mud.

This architectural form also discourages predators, making Spinous Stair shells one of the most structurally distinctive members of the false fusus group—and a favorite for collectors seeking bold, sculptural seashells.