The Nautilus Log
Cyclinella producta

Charting the world's most exquisite marine shells.

The ocean's most intricate architecture.

Explore an annotated catalog of 2180 exquisite marine shells, each with high-resolution photography.

Featured: Cyclinella producta

Newly Charted Specimens

A curated glimpse into the latest additions to our expanding digital collection.

Explore by Habitat

intertidal

intertidal

846 specimens

subtidal

subtidal

755 specimens

deep-sea

deep-sea

4 specimens

brackish

brackish

2 specimens

Spotlight on Rarity

Chlamys opuntia

rare

Chlamys opuntia

A curated look at one of the collection's prized specimens, contrasted with more common, yet equally beautiful, forms.

The Collection at a Glance

2180

Specimens Catalogued

20

Families Represented

20

Distinct Genera

From the Logbook

Field notes, research summaries, and stories from the world of conchology.