Calcified

Golden Ratio Seashell Spiral on Turquoise in against weathered turquoise paint in Yangon

Golden Ratio Seashell Spiral on Turquoise

Fujifilm X-H2 · against weathered turquoise paint in Yangon

 Sea Urchin Spine Base in Split Seed Pod in inside a seed pod split open near Castello, Venice

Sea Urchin Spine Base in Split Seed Pod

Sony a7 V · inside a seed pod split open near Castello, Venice

 Ammonite Fossil Spiral Macro Dappled Light Beijing in in Beijing

Ammonite Fossil Spiral Macro Dappled Light Beijing

iPhone 15 Plus · in Beijing

 Backlit Fossil Ammonite Spiral Macro in in Godoy Cruz

Backlit Fossil Ammonite Spiral Macro

Sony a6700 · in Godoy Cruz

 Juvenile Fish Sheltering in Staghorn Coral Underwater in beneath a reef ledge in tropical shallows near Zanzibar

Juvenile Fish Sheltering in Staghorn Coral Underwater

Samsung Galaxy S25 · beneath a reef ledge in tropical shallows near Zanzibar

 Christmas Tree Worm Spiraling on Zanzibar Coral in beside a reef crevice under clear water near Zanzibar

Christmas Tree Worm Spiraling on Zanzibar Coral

Sony Alpha 700 · beside a reef crevice under clear water near Zanzibar

 Barnacle Cirri Feeding in Blue Evening Light in across a rain-beaded metal surface near Geelong

Barnacle Cirri Feeding in Blue Evening Light

Fujifilm X-Pro2 · across a rain-beaded metal surface near Geelong

 Glowing Brain Coral Underwater Near Stone Town in along a coral wall with blue water beyond near Stone Town

Glowing Brain Coral Underwater Near Stone Town

Canon EOS R6 Mark II · along a coral wall with blue water beyond near Stone Town

 Ammonite Fossil Shell Spiral Chambers in Dappled Light in in Dar es Salaam

Ammonite Fossil Shell Spiral Chambers in Dappled Light

Canon EOS 7D · in Dar es Salaam

 Nautilus Shell Cross Section in Kelp Forest in through a forest of kelp fronds in British Columbia

Nautilus Shell Cross Section in Kelp Forest

iPhone 16 Pro Max · through a forest of kelp fronds in British Columbia

 Orange Sunset Tide Pool Reflection Barnacles Naples in above a cold-water reef edge near Naples

Orange Sunset Tide Pool Reflection Barnacles Naples

Leica M8 · above a cold-water reef edge near Naples

 Feather Duster Worm Fanning on Cebu Coral in along a coral wall with blue water beyond near Cebu

Feather Duster Worm Fanning on Cebu Coral

Canon EOS 90D · along a coral wall with blue water beyond near Cebu

 Golden Ratio Seashell Spiral Macro Jacksonville in against weathered turquoise paint in Jacksonville

Golden Ratio Seashell Spiral Macro Jacksonville

Canon EOS R50 · against weathered turquoise paint in Jacksonville

 Fossilized Coral Reef Silhouette in Desert Canyon in along a coral wall with blue water beyond near Stone Town

Fossilized Coral Reef Silhouette in Desert Canyon

Leica M5 · along a coral wall with blue water beyond near Stone Town

 Geologist Brushes Ammonite Fossil from Lagos Shale in near Lagos

Geologist Brushes Ammonite Fossil from Lagos Shale

Mamiya 7 · near Lagos

 Layered Table Coral Garden with Duplicated Background Grid in along a coral wall with blue water beyond near Cairns

Layered Table Coral Garden with Duplicated Background Grid

OnePlus 11 · along a coral wall with blue water beyond near Cairns

 Ammonite Fossil Spiral Chambers Twilight Research in in Bonon

Ammonite Fossil Spiral Chambers Twilight Research

Canon A-1 · in Bonon

 Coral Surveyor Portrait Underwater Cebu in along a coral wall with blue water beyond near Cebu

Coral Surveyor Portrait Underwater Cebu

Fujifilm X-T50 · along a coral wall with blue water beyond near Cebu

 Narrowboat Stone Transformation English Canal in near Split

Narrowboat Stone Transformation English Canal

Zorki 4 · near Split

 Ammonite Fossils Under Red Light Near Luxor in near Luxor

Ammonite Fossils Under Red Light Near Luxor

Nikon D7200 · near Luxor

 Winter Fossil Ammonite Spiral in Dappled Light in near Gaziantep

Winter Fossil Ammonite Spiral in Dappled Light

Olympus OM-D E-M1 Mark II · near Gaziantep

 Fairbanks Hot Spring Rim in Midnight Sun in near Fairbanks

Fairbanks Hot Spring Rim in Midnight Sun

Nikon F5 · near Fairbanks

 Golden Ratio Seashell Spiral in Seed Pod in inside a seed pod split open in Anyang

Golden Ratio Seashell Spiral in Seed Pod

Kiev 88 · inside a seed pod split open in Anyang

 Pink Coral Eggs Float in Belize Golden Water in along a coral wall with blue water beyond near Belize City

Pink Coral Eggs Float in Belize Golden Water

Leica M4 · along a coral wall with blue water beyond near Belize City

 Fractal Coral Fans in Sunlit Reef Crevice in beside a reef crevice under clear water near Stone Town

Fractal Coral Fans in Sunlit Reef Crevice

Nikon Z 7 II · beside a reef crevice under clear water near Stone Town

 Barnacle Cluster on Weathered Turquoise Paint in against weathered turquoise paint in Al-Muharraq

Barnacle Cluster on Weathered Turquoise Paint

iPhone 16 Pro · against weathered turquoise paint in Al-Muharraq

 Fossil Terraces Under Blue Winter Rain Light in across a floodplain after rain in Japan

Fossil Terraces Under Blue Winter Rain Light

Sony Cyber-shot DSC-RX100 Mark II · across a floodplain after rain in Japan

 Midnight Coral Spring Belize Underwater Light in along a coral wall with blue water beyond near Belize City

Midnight Coral Spring Belize Underwater Light

Fujifilm X-H1 · along a coral wall with blue water beyond near Belize City

 New Zealand Hydrothermal Vent Tube Worms in in New Zealand

New Zealand Hydrothermal Vent Tube Worms

Canon EOS 6D · in New Zealand

 Fossil Excavation Detail Wet Season Lampung in near Bandar Lampung

Fossil Excavation Detail Wet Season Lampung

Leica Q3 · near Bandar Lampung

 Giant Cuttlefish Displaying Colors on Coral Wall in along a coral wall with blue water beyond near Belize City

Giant Cuttlefish Displaying Colors on Coral Wall

Canon EOS 5D Mark III · along a coral wall with blue water beyond near Belize City

 Stone Wooden Noodle Alley Monsoon Night in by a rain-darkened kiosk in Santa Teresa del Tuy

Stone Wooden Noodle Alley Monsoon Night

iPhone SE (2022) · by a rain-darkened kiosk in Santa Teresa del Tuy

 Crown-of-thorns starfish feeding on tropical reef coral in beneath a reef ledge in tropical shallows near Cairns

Crown-of-thorns starfish feeding on tropical reef coral

Sony a7R · beneath a reef ledge in tropical shallows near Cairns

 Barnacle Cluster on Lichen Bark in Candlelight in on lichen-covered bark in Guadalajara

Barnacle Cluster on Lichen Bark in Candlelight

Mamiya RB67 · on lichen-covered bark in Guadalajara

 Stone-Grained Wood Furniture on UAE Shore Terraces in along a wave-cut shoreline in United Arab Emirates

Stone-Grained Wood Furniture on UAE Shore Terraces

iPhone 12 Pro · along a wave-cut shoreline in United Arab Emirates

 Stone Cornfield Tassels Armenia Storm in along freshly irrigated rows in Armenia

Stone Cornfield Tassels Armenia Storm

Canon EOS R6 Mark II · along freshly irrigated rows in Armenia

 Layered Table Corals in Evening Reef Light in beside a reef crevice under clear water near Stone Town

Layered Table Corals in Evening Reef Light

Leica MP · beside a reef crevice under clear water near Stone Town

 Golden Ratio Seashell Spiral Macro Detail in against weathered turquoise paint near Chilpancingo de los Bravo

Golden Ratio Seashell Spiral Macro Detail

Olympus OM-10 · against weathered turquoise paint near Chilpancingo de los Bravo

 Nautilus Shell Cross Section Amid Kelp Forest in through a forest of kelp fronds in Sicily

Nautilus Shell Cross Section Amid Kelp Forest

Canon EOS 7D Mark II · through a forest of kelp fronds in Sicily

 Sunset Tide Pool Barnacles Naples Seagrass in along a seagrass channel near the coast in Sanita, Naples

Sunset Tide Pool Barnacles Naples Seagrass

Leica M5 · along a seagrass channel near the coast in Sanita, Naples

 Clam Shell Growth Rings on Lichen Bark in on lichen-covered bark in Queretaro

Clam Shell Growth Rings on Lichen Bark

Google Pixel 6 Pro · on lichen-covered bark in Queretaro

 Moray Eel Head Emerging from Coral Crevice in along a coral wall with blue water beyond near Zanzibar

Moray Eel Head Emerging from Coral Crevice

Canon EOS R6 Mark III · along a coral wall with blue water beyond near Zanzibar

 Frozen Moray Eel in Zanzibar Kelp Forest in beside a reef crevice under clear water near Zanzibar

Frozen Moray Eel in Zanzibar Kelp Forest

Canon EOS D30 · beside a reef crevice under clear water near Zanzibar

 Nautilus Shell Spiral Among Kelp Forest in through a forest of kelp fronds near Cartagena

Nautilus Shell Spiral Among Kelp Forest

Canon New F-1 · through a forest of kelp fronds near Cartagena

 Barnacle Cluster on Frosty Window Sydney in along a frost-edged windowpane in The Rocks, Sydney

Barnacle Cluster on Frosty Window Sydney

Nikon D3S · along a frost-edged windowpane in The Rocks, Sydney

 Barnacles and Oysters on Sunken Pier in Greek Twilight in beside a volcanic drop-off in Greece

Barnacles and Oysters on Sunken Pier in Greek Twilight

OM System OM-1 · beside a volcanic drop-off in Greece

 Fossilized Reef Silhouette in Desert Canyon in beside a reef crevice under clear water near Cairns

Fossilized Reef Silhouette in Desert Canyon

Canon EOS 7D Mark II · beside a reef crevice under clear water near Cairns

 Nautilus Amidst Kelp Forest Bandra Mumbai in through a forest of kelp fronds near Bandra, Mumbai

Nautilus Amidst Kelp Forest Bandra Mumbai

Sony a6700 · through a forest of kelp fronds near Bandra, Mumbai

 Crown-of-thorns starfish feeding on reef coral at night in beneath a reef ledge in tropical shallows near Denpasar

Crown-of-thorns starfish feeding on reef coral at night

Sony a7CR · beneath a reef ledge in tropical shallows near Denpasar

 Bleached Coral Skeleton Against Healthy Reef Belize in along a coral wall with blue water beyond near Belize City

Bleached Coral Skeleton Against Healthy Reef Belize

Canon EOS 350D · along a coral wall with blue water beyond near Belize City

 Dalmatian Starfish Tube Feet Close-Up in in Dalmatia

Dalmatian Starfish Tube Feet Close-Up

Sony Cyber-shot DSC-RX100 Mark II · in Dalmatia