Shells

Photographs

Note: From this page, the orange-red link under each photograph and in the Table of Contents will take you to a full-size photo.  If there are any additional images, an asterisk (*) will follow the orange-red link. 

Shells Currently within this WWW Site
     Bivalvas / Pelecypodas – 41; Gastropodas – 99 = 139

     Alphabetical List by Common Name

     Alphabetical List by Genus and Species

     Alphabetical List by Family

 

A special THANK YOU to Bob Hillis who got me motivated to put this section together  along with his tireless support in shell identification and nomenclature.

 

Part I.  Bivalvia / Pelecypoda

Ark Shells of the Archidae Family (7)

Alternata Ark*
Calloarca alternata
Size: 3.3 cm (1.3 inches) x
1.5 cm (0.6 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Changeable Ark*
Arca mutabilis
Size: 3.9 cm (1.5 inches) x
2.3 cm (0.9 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Many-ribbed Ark*
Larkinia multicostata
Size: 11.1 cm (4.4 inches) x
9.3 cm (3.7 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Pacific Turkey Wing*
Arca pacifica
Size: 4.0 cm (1.6 inches) x
1.9 cm (0.7 inches)

 

Pustulose Ark*
Anadara tuberculosa
Size: 7.5 cm (3.0 inches) x
4.7 cm (1.9 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Ribbed Ark*
Arca gradata
Size: 2.5 cm (1.0 inch) x
1.3 cm (0.5 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Unwashed Ark*
Fugleria illota
Size: 2.5 cm (1.0 inch) x
1.8 cm (0.7 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Bittersweet Shell of the Glycieridae Family (1)

Delesserti Bittersweet*
Axinactis delesserti
Size: 2.8 cm (1.1 inches) x
2.7 cm (1.1 inches)

Cockle Shells of the Cardiidae Family (4)

Belcheri Prickly Cockle*
Trachycardium belcheri
Size: 4.3 cm (1.7 inches) x
3.9 cm (1.5 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Many-spined Cockle*
Dallocardia senticosum
Identification courtesy of
Bob Hillis, Ivins, UT

 

Panama Thorny Cockle*
Trachycardium senticosum
Size: 2.6 cm (1.0 inch) x
2.6 cm (1.0 inch)

Slender Cockle*
Trachycardium procerum
Size: 7.6 cm (3.0 inches) x
6.4 cm (2.5 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Crassatella Shell of the Csatellaidae Family (1)

Gibbosa Crassatella*
Eurassatella gibbosa
Size: 5.2 cm (2.0 inches) x
3.9 cm (1.5 inches)

File Shell of the Limidae Family (1)

Dark Spiny File*
Lima tetrica
Size: 4.2 cm (1.7 inches) x
3.1 cm (1.2 inches)

Jewel Box Shells of the Chamidae Family (2)

California Spiny Jewel Box*
Arcinella californica
Size: 5.0 cm (2.0 inches) x
4.8 cm (1.9 inches)

Scaled Jewel Box*
Charma squamuligera
Size: 1.6 cm (0.6 inches) x
1.9 cm (0.7 inches)

Little Heart Shells of the Cardita Family (2)

Similar Cardita*
Carditamera affinis
Size: 3.7 cm (1.5 inches) x
2.0 cm (0.8 inches)

Thick Rib Cardita*
Cardites crassicostatus
Size: 6.5 cm (2.6 inches) x
6.5 cm (2.6 inches)

Lucine Shells of the Lucinidae Family (2)

Distinguished Lucine*
Codakia distinguenda
Size: 4.4 cm (1.7 inches) x
4.5 cm (1.8 inches)

Ivory Lucine*
Divalinga eburnea

Size: 2.5 cm (1.0 inch) x
2.6 cm (1.0 inch)

Oysters of the Ostreidae Family (4)

Arc Oyster*
Ostrea megodon
Size: 6.7 cm (2.6 inches) x
5.6 cm (2.2 inches)

Cortez Oyster*
Ostrea corteziensis
Size: 11.9 cm (4.6 inches) x 6.4 cm (2.5 inches)

 

Fisher’s Oyster*
Ostrea fisheri
Size: 14 cm (5.5 inches) x
15 cm (6.0 inches)

Olympia Oyster*
Ostrea conchaphila
Size: 12.5 cm (5.0 inches) x
9.3 cm (3.6 inches)

Pearl Oyster Shells of the Pteridae Family (2)

Pearl Oyster*
Pinctada mazatlanica
Size: 4.4 cm (1.7 inches) x
4.5 cm (1.8 inches)

Rainbow Lip Pearl Oyster*
Pteria sterna

Size: 9.0 cm (3.5 inch) x
5.0 cm (2.0 inches)

 Pen Shell of the Pinnidae Family (1)

Pen Shell*
Pinna rugosa
Size: 16 cm (6.3 inches) x
5.5 cm (2.2 inches)

Scallop Shells of the Pectinidae Family (8)

Cat’s Tongue Oyster*
Spondylus limbatus
Size: 5.8 cm (2.3 inches) x
5.3 cm (2.1 inches)

Mexican Deep Scallop*
Euvola vogdesi
Size: 6.6 cm (2.6 inches) x
7.0 cm (2.8 inches)

Leucacanthus Spiny Oyster*
Spondylus leucacanthus
Size: 7.0 cm (2.8 inches) x
6.7 cm (2.6 inches)

Pacific Lion’s Paw*
Nodipecten subnodosus
Size: 6.8 cm (2.2 inches) x
6.8 cm (2.2 inches)

Pacific Thorny Oyster*
Spondylus princeps
Size: 8.3 cm (3.3 inches) x
8.3 cm (3.3 inches)

Silken Scallop*
Pecten sericeus
Size: 6.4 cm (2.6 inches) x
7.0 cm (2.8 inches)

 Speckled Scallop*
Argopecten ventricosus
Size: 5.8 cm (2.3 inches) x 5.2 cm (2.0 inches)

Spiny Oyster*
Spondylus ursipes
Size: 9.2 cm (3.6 inches) x
7.3 cm (2.9 inches)

Venus Clam Shells of the Vereridae Family (5)

Amathusia Venus Clam*
Chione amathusia
Size: 5.8 cm (2.3 inches) x
5.0 cm (2.0 inches)

Frilled Venus Clam*
Chione undatella
Size: 4.0 cm (1.6 inches) x
3.6 cm (1.4 inches)
Identification courtesy of
Bob Hillis, Ivins, UT

Hard Shell Cockle*
Chione fluctifraga
Size: 3.9 cm (1.5 inches) x
3.4 cm (1.3 inches)

Mexican Chocolate Clam*
Megapitaria squalida
Size: 10.5 cm (4.1 inches) x
8.2 cm (3.2 inches)

Ponderous Dosinia Clam*
Dosinia ponderosa
Size: 10.0 cm (3.9 inches) x
9.5 cm (3.7 inches)

Tumens Venus Clam*
Chione tumens
Size: 2.3 cm (0.9 inches) x
2.0 cm (0.8 inches)

 

Part II.  Gastropoda

Carrier Shell of the Xenophoridae Family (1)

Robust Carrier*
Xenophora robusta
Size: 7.5 cm (3.0 inches) x
8.5 cm (3.3 inches)

Cerith Shell of the Cerithiidae Family (1)

Speckled Cerith*
Cerithium maculosum
Size: 3.6 cm (1.4 inches) x
1.7 cm (0.7 inches)

Cone Shells of the Conus Family (9)

Brown Cone*
Conus brunneus
Size: 2.8 cm (1.1 inches) x 1.7 cm (0.8 inches)

Ferguson’s Giant Cone*
Conus fergusoni
Size: 7.2 cm (2.8 inches) x
4.8 cm (1.9 inches)

Gladiator Cone*
Conus gladiator
Size: 4.1 cm (1.6 inches) x
2.5 cm (1.0 inch)

Nut Cone*
Conus nux
Size: 1.5 cm (0.6 inches) x
1.0 cm (0.4 inches)

Prince Cone*
Conus princeps
Size: 5.9 cm (2.3 inches) x
4.0 cm (1.6 inches)

Purple Cone*
Conus purpurascens
Size: 3.9 cm (1.5 inches) x
2.3 cm (0.9 inches)

Recurved Cone*
Conus recurvus
Size: 7.1 cm (2.8 inches) x
3.8 cm (1.5 inches)

Regular Cone*
Conus regularis
Size: 5.5 cm (2.2 inches) x
2.3 cm (0.9 inches)

Tessellated Cone*
Tesselliconus tessulatus edaphus
Size: 3.0 cm (1.2 inches) x
2.1 cm (0.8 inches)
Identification courtesy of
Bob Hillis, Ivins, UT.

Cowry Shells of the Cypraeidae Family (6)

Banded Cowry*
Cypraea isabellamexicana
Size: 3.0 cm (1.2 inches) x
1.5 cm (0.6 inches)

Jenner’s Cowry*
Jenneria pustulata
Size: 2.0 cm (0.8 inches) x
1.4 cm (0.6 inches)

Little Arabian Cowry*
Cypraea arabicula
Size: 2.6 cm (1.0 inch) x
1.7 cm (0.7 inches)

Little Deer Cowry*
Cypraea cervinetta
Size: 3.7 cm (1.5 inches) x
1.4 cm (0.6 inches)

Robert’s Cowry*
Cypraea robertsi
Size: 4.4 cm (1.7 inches) x 2.6 cm (1.0 inch)

White-spotted Cowry*
Cypraea albuginosa
Size: 2.7 cm (1.1 inches) x 1.6 cm (0.6 inch)

 

Crown Conch of the Melongenidae Family (1)

Prince Crown Conch*
Melongena patula
Size: 18.4 cm (7.2 inches) x
13.0 cm (5.1 inches)

Cup and Saucer Shells and Slipper Limpet Shells of the Calyptraidae Family (7)

Imbricate Cup-and-Saucer*
Crucibulum scutellatum
Size: 5.7 cm (2.2 inches) x
5.1 cm (2.0 inches)

Lessonii Slipper Limpet*
Crepidula lessonii
Size: 2.5 cm (1.0 inch) x
1.9 cm (0.7 inches)

Monticulus Cup-and-Saucer*
Crucibulum monticulus
Size: 3.2 cm (1.3 inches) x
2.8 cm (1.1 inches)

Pointed Slipper Limpet*
Crepidula excavata
Size: 2.5 cm (1.0 inch) x
1.6 cm (0.6 inches)

Ridged Slipper Limpet*
Crepidula striolata
Size: 4.3 cm (1.7 inches) x
2.8 cm (1.2 inches)

Spiny Cup-and-Saucer*
Crucibulum spinosum
Size: 3.1 cm (1.2 inches) x
2.6 cm (1.0 inch)

Spiny Slipper Limpet*
Crepidula aculeate
Size: 2.0 cm (0.8 inches) x
1.4 cm (0.6 inches)


Deep Sea Augers and True Augers Shells of the Turritellacea Family (3)

Maria’s Tower Shell*
Turritella mariana
Size: 8.8 cm (3.5 inches) x
1.7 cm (0.7 inches)

Screw
Vermicularia eblurnea
Size: 4.0 cm (1.6 inches) x
1.8 cm (0.7 inches)

   Tiger Turret*
   Turritella leucostoma
   Size: 7.7 cm (3.9 inches) x
1.7 cm (0.7 inches)

Dove Shells of the Columbelidae Family (3)

Brunt Dove*
Collumbella fuscata
Size: 2.0 cm (0.8 inches) x
1.3 cm (0.5 inches)

Fat Dove*
Columbella major
Size: 1.1 cm (0.4 inches) x
0.7 cm (0.3 inches)

Orange-lipped Dove*
Columbella haemastoma
Size: 2.2 cm (0.9 inches) x
1.2 cm (0.5 inches)

False Limpet Shell of the Siphonariidae Family (1)

Maura False Limpet*
Siphonaria maura
Size: 2.0 cm (0.8 inches) x
1.6 cm (0.6 inches)

Fig Shell of the Ficidae Family (1)

Panamic Fig*
Ficus ventricosa
Size: 8.5 cm (3.3 inches) x
4.9 cm (1.9 inches)

Harp Shell of the Harpidae Family  (1)

Humped Morum Harp*
Morum tuberculosum
Size: 2.6 cm (1.1 inches) x
1.8 cm (0.7 inches)

Panama Harp*
Harpa crenata
Size: 7.8 cm (3.1 inches) x
4.6 cm (1.8 inches)

Helmet Shells of the Cassididae Family (3)

Centiquadrata Helmet*
Cassis centiquadrata
Size: 4.0 cm (1.6 inches) x
3.0 cm (1.2 inches)

Narrow-mouthed Helmet*
Cypraecassis coarctata
Size: 3.9 cm (1.6 inches) x
2.4 cm (0.9 inches)

Galapagos Cowry Helmet*
Cypraecassis tenuis
Size: 15.2 cm (6.0 inches) x
9.2 cm (3.6 inches)

Hoof Shell of the Hipponicidae Family (1)

Panamanian Hoof*
Hipponix antiquatus
Size: 2.3 cm (0.9 inches) x
2.2 cm (0.9 inches)

Miter Shells of the Mitridae Family (3)

Antillean Miter*
Mitra swainsonii
Size: 9.4 cm (3.7 inches) x
2.1 cm (0.8 inches)

Belcher’s Miter*
Mitra belcheri
Size: 12.2 cm (4.8 inches) x
3.3 cm (1.3 inches)

Sad Miter*
Mitra tristis
Size: 2.5 cm (1.0 inch) x
1.1 cm (0.4 inches)

Moon Shells of the Naticidae Family (4)

Elenae Moon*
Natica elenae
Size: 5.8 cm (2.3 inches) x
4.5 cm (1.8 inches)

 Lewis’ Moon*
Euspira lewisii

Size: 12 cm (5.0 inches) x
9.4 cm (3.7 inches)

Recluz’s Moon*
Polinices recluzianus
Size: 5.8 cm (2.3 inches) x
4.8 cm (1.9 inches)

Slight Baby Ear*
Sinum debile
Size: 2.6 cm (1.0 inch) x
1.9 cm (0.75 inches)

Murex and Rock Shells of the Muricidae Family (19)

Apple Rock*
Thais melones
Size: 3.8 cm (1.5 inches) x
2.9 cm (1.1 inches)

Black Murex*
Hexaplex nigritus
Size: 6.6 cm (2.6 inches) x
4.6 cm (1.8 inches)

Cabbage Murex*
Hexaplex brassica
Size: 11.9 cm (5.0 inches) x
7.8 cm (3.1 inches)

Callidinus Murex*
Muricanthus callidinus
Size: 7.5 cm (3.0 inches) x
4.5 cm (1.8 inches)

Centrifugal Murex*
Pteropurpura centrifuga
Size: 6.0 cm (2.4 inches) x
4.6 cm (1.8 inches)

Chief Rock*
Hexaplex princpes
Size: 10.4 cm (4.1 inches) x
5.8 cm (2.3 inches)

Eye-of-Judas*
Thais planospira
Size: 5.0 cm (2.0 inches) x
4.5 cm (1.8 inches)

Long-spine Murex*
Murex elenensis
Size: 6.0 cm (2.4 inches) x
2.8 cm (1.1 inches)

Pink-throated Murex*
Hexaplex erythrosquamous
Size: 11.6 cm (4.6 inches) x
7.6 cm (3.0 inches)

Purple Tuberculate
Neorapana tuberculate
Size: 4.3 cm (1.7 inches) x
3.4 cm (1.3 inches)

Pyramid Aspela*
Aspela pyramidal
Size: 2.3 cm (0.9 inches) x
1.0 cm (0.4 inches)

Radish Murex*
Hexaplex radax
Size: 11.2 cm (4.4 inches) x
8.9 cm (3.5 inches)

Royal Murex*
Hexaplex regius
Size: 14.1 cm (5.6 cm) x
9.8 cm (3.9 inches)

Scaled False Triton*
Phyllocoma scalariformia
Size: 3.0 cm (1.2 inches) x
2.0 cm (0.8 inches)

Speciosa Rock*
Thais speciosa
Size: 3.7 cm (1.5 inches) x
3.1 cm (1.2 inches)

Triangular Rock*
Thais triangularis
Size: 2.2 cm (0.9 inches) x
2.0 cm (0.8 inches)

Two-row Rock*
Thais biserialis
Size: 3.6 cm (1.4 inches) x
2.7 cm (1.1 inches)

Wide-mouth Purpura*
Plicopurpura pansa
Size: 5.9 cm (2.3 inches) x
4.1 cm (1.6 inches)

Wide-mouthed Coral*
Quoyula madreporarum
Size: 2.0 cm (0.8 inches) x
1.2 cm (0.5 inches)

Nerite Shell of the Neritidae Family (1)

Ornate Nerite*
Nerita scabricosta
Size: 2.1 cm (0.8 inches) x
1.6 cm (0.6 inches)

Nutmeg Shell of the Cancellariidae Family (1)

Bubble Nutmeg*
Trigonostoma bullatum
Size: 5.5 cm (2.2 inches) x
4.5 cm (1.8 inches)

Olive Shells of the Olividae Family (3)

Angled Olive*
Oliva incressata
Size: 5.0 cm (2.0 inches) x
2.5 cm (1.0 inch)

Lettered Olive*
Oliva sayana
Size: 4.8 cm (1.9 inches) x
2.8 cm (1.1 inches)

Polpast Olive*
Oliva polpasta
Size: 4.5 cm (1.8 inches) x
2.4 cm (1.0 inch)

Periwinkle Shells of the Littorinidae Family (2)

Aspera Periwinkle*
Echinolittorina aspera
Size: 1.0 cm (0.4 inches) x
0.7 cm (0.3 inches)

Modest Periwinkle*
Echinolittorina modesta
Size: 1.5 cm (0.6 inches) x
1.0 cm (0.4 inches)

Spindle and Tulip Shells of the Fasciolariidae Family (3)

Giant Spindle Conch*
Fusinus depetetthouarsi
Size: 8.7 cm (3.4 inches) x
2.5 cm (1.0 inch)

Panamic Horse Conch*
Pleuroploca princeps
Size: 31 cm (12 inches) x
13 cm (5 inches).

Waxy Latrius*
Leucozonia cerata
Size: 3.8 cm (1.5 inches) x
1.9 cm (0.7 inches)


Top Shells of the Torchidae Family (2)

Banded Top*
Tegula ligulata
Size: 1.6 cm (0.6 inches) x
1.2 cm (0.5 inches)

Nepheloide Top*
Cillistoma nepheloide
Size: 2.5 cm (1.0 inch) x
2.6 cm (1.0 inch)

 

Trivia Shells of the Triviidae Family (2)

Spindle Trivia*
Trivia fusca
Size: 1.0 cm (0.4 inches) x
0.7 cm (0.3 inches)

Solander’s Trivia*
Trivia solandri
Size: 1.8 cm (0.7 inches) x
1.4 cm (0.6 inches)
4 cm (7.2 inches) x
13.0 cm (5.1 inches)

True Limpet Shells of the Lottiidae Family (5)

Checkered Limpet*
Lottia strigatella
Size: 3.0 cm (1.2 inches) x
2.3 cm (0.9 inches)

Digueti Keyhole Limpet*
Diodora digueti
Size: 2.4 cm (1.0 inch) x
1.6 cm (0.6 inches)

Mitella Limpet*
Lottia mitella
Size: 2.7 cm (1.1 inches) x
2.1 cm (0.8 inches)

Obscure Keyhole Limpet*
Fissurella obscura
Size: 3.0 cm (1.2 inches) x
2.0 cm (0.8 inches)

Sculptured Keyhole Limpet*
Diodora inaeqaulis
Size: 2.4 cm (1.0 inch) x
1.4 cm (0.6 inch)

True Conch Shells of the Strombidae Family (2)

Giant Conch*
Strombus galeatus
Size: 20 cm (7.9 inches) x
0.7 cm (0.3 inches

Peruvian Conch*
Strombus peruvianus
Size: 16.5 cm (6.5 inches) x
9.5 cm (3.7 inches)

Tun Shells of the Tonnidae Family (2)

Grinning Tun*
Malea ringens
Size: 4.6 cm (1.8 inches) x
3.3 cm (1.3 inches)

Spotted Tun*
Tonna dolium
Size: 15.5 cm (6.1 inches) x
12.0 cm (4.7 inches)

Turban Shells of the Turbinidae Family (3)

Olive Turban*
Astraea olivacea
Size: 2.7 cm (1.1 inches) x
1.4 cm (0.6 inches)

Unguis Turban*
Astraea unguis
Size: 2.7 cm (1.1 inches) x 1.8 cm (0.7 inches)

Wavy Turban*
Megastrea undosa
Size: 8.2 cm (3.2 inches) x
7.4  cm (2.9 inches)

Turrid Shells of the Turridae Family (3)

Noble Giant Turrid*
Polystira nobilis
Size: 5.7 cm (2.3 inches) x
2.0 cm (0.8 inches)

Picta Turrid*
Polystira picta
Size: 4.8 cm (1.9 inches) x
1.4 cm (0.4 inches)

Walker’s Turrid*
Knefastia walkeri
Size: 4.9 cm (1.9 inches) x
1.3 cm (0.5 inches)

 Vase Shell of the Vasidae Family (1)

Gauntlet Vase*
Vasum caestus
Size: 8.0 cm (3.1 inches) x
5.6 cm (2.2 inches)

Whelk Shells of the Buccinidae Family (4)

Articulate Phos*
Phos articulatus

Gates’ Goblet*
Solenosteira gatesi

 

Kellet’s Whelk*
Kelletia kelleti

Sanguine Cantharus*
Cantharus sanguinolentus