This virtual collection was last curated by Jaleigh Pier on August 16, 2019. 
Each model is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Unless otherwise indicated, each model was created by Emily Hauf using specimens at the Paleontological Research Institution, Ithaca, New York.
An associated chapter about the Subclass Caenogastropoda is now available on the Digital Encyclopedia of Ancient Life.
Order Littorinimorpha
Family Aporrhaidae
Fossil specimen of the gastropod Struthioptera camachoi from the Eocene La Meseta Formation of Seymour Island, Antarctica (PRI 60021). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 10 cm.
Fossil shell of the snail Austroaporrhais sp. from the Cretaceous Lopez de Bertodano Formation of Seymour Island, Antarctica (PRI 61317). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 5.5 cm.
Family Cypraeidae
Fossil specimen of the gastropod (cowrie) Siphocypraea problematica from the Plio-Pleistocene of southern Florida (PRI 76742). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 8 cm.
Family Cassidae
Fossil specimen (internal and external mold) of the gastropod Cassidaria mirabilis from the Cretaceous of Snow Hill Island, Antarctica (PRI 58468). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen (not including surrounding rock) is approximately 6 cm in length.
Family Calyptraeidae
Fossil specimen of the gastropod Crucibulum scutellatum from the Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70067). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Maximum diameter of specimen is approximately 3.5 cm.
Fossil specimen of the gastropod Trochita floridana from the Pliocene Tamiami Formation (Pinecrest Beds) of Sarasota County, Florida (PRI 70705). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Height of specimen is approximately 2.5 cm.
Family Naticidae
Fossil specimen of the gastropod Naticarius plicatella from the Pliocene Pinecrest Beds of Sarasota County, Florida (PRI 70745). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York (PRI 70745). Length of specimen is approximately 3.5 cm. Note that operculum (trap door) is remarkably preserved in situ.
Family Strombidae: Conchs
Fossil specimen (adult shell) of the conch gastropod Lobatus leidyi from the Pleistocene Caloosahatchee Formation of Hendry County, Florida (PRI 76754). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 17 cm.
Fossil specimen (juvenile shell) of the conch gastropod Lobatus leidyi from the Pleistocene Caloosahatchee Formation of Hendry County, Florida (PRI 76755). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 9 cm.
Fossil specimen of a strombid gastropod (family Strombidae) preserved as an internal mold; specimen is from the Pliocene Mao Adentro Formation of the Dominican Republic (PRI 76798). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 11.5 cm.
Fossil gastropod Strombus evergladesensis with encrusting scleractinian coral Astrangia solitaria from the Middle Pleistocene Bermont Formation of Palm Beach County, Florida (PRI 76862). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 8 cm.
Order Neogastropoda
Family Buccinidae
Modern specimen of the whelk snail Busycon carica from Beaufort County, South Carolina (PRI 76867). Note the jagged, high-relief repair scars on the shell that resulted from several encounters with crushing predators. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 15.5 cm.
Modern specimen of the whelk snail Busycon carica from Beaufort County, South Carolina (PRI 76867). Encrusting barnacles cover much of the shell. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 12.5 cm.
Modern specimen of the whelk snail Busycon carica from Beaufort County, South Carolina (PRI 76867). Note that the surface of the shell is covered by encrusting bryozoans. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 20 cm.
Fossil specimen of the sinistral (opening on the left) gastropod Busycon contrarium from the Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 69684). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 13.5 cm.
Family Conidae
Modern specimen of the cone snail Conus marmoreus from Low Isles, Queensland, Australia (PRI 76850). Conus marmoreus is the type species of Conus and eats other snails. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Shell length of specimen is approximately 6 cm.
Modern specimen of the cone snail Conus geographus from the coast of Sri Lanka (PRI 54489). This fish-eating snail is one of the deadliest animals on Earth; its sting has caused at least 30 human fatalities. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Shell length is approximately 11 cm.
Fossil specimen of the gastropod Conus yaquensis from the upper Pliocene Tamiami Formation (Pinecrest Beds) of Sarasota County, Florida (PRI 70658). Specimen is from the collections of the Paleontological Research Institution.
A fossil specimen of the gastropod Conus adversarius from the Plio-Pleistocene of Highlands County, Florida (PRI 53499). This specimen is from the collections of the Paleontological Research Institution. This species of cone snail is remarkable in that it is sinistral: its shell coils to the left. All other cone snails, and most other gastropopods, have dextral shells that open on the right-hand side. The cracks on the shell are scars left behind by crab predators; in each case, the snail survived the attack. The specimen is 82.4 mm in length.
Family Fasciolariidae
Fossil specimen of the snail Taioma sp. from the Cretaceous Lopez de Bertodano Formation of Seymour Island, Antarctica (PRI 60483). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 11.5 cm.
Modern specimen of the tulip snail Fasciolaria tulipa with numerous small holes created by the boring sponge Cliona celata. These dwelling traces are called Entobia. Specimen is from Florida and is part of the teaching collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 10 cm.
Family Muricidae
Fossil specimen of the gastropod Ecphora quadricostata from the upper Pliocene Yorktown Formation of Hampton County, Virginia (PRI 70750). From the collections of the Paleontological Research Institution. The specimen is 37.7 mm in length.
Fossil specimen of the gastropod Phyllonotus globosus from the Plio-Pleistocene of Hendry County, Florida. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 9 cm.
Family Pholidotomidae
Fossil snail Volutomorpha mutabilis from the Cretaceous Ripley Formation of McNairy County, Tennessee (PRI 78029). Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of shell is approximately 10 cm.
Family Turbinellidae
Fossil specimen of the gastropod Turbinella praelaevigata from the Miocene Cercado Formation of the Dominican Republic (PRI 76795). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 10.5 cm.
Fossil specimen of the gastropod Hystrivasum locklini from the Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70721). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Maximum length of specimen is approximately 5 cm.
Order Unassigned
Family Turritellidae
Fossil specimen of the gastropod “Turritella” mortoni postmortoni from the Eocene of Alabama. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York.
Fossil specimen of a colony of the gastropod Vermicularia recta from the Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 23 cm.
Hundreds of specimens of the small gastropod Colposigma sp. from the Eocene of Seymour Island, Antarctica. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of rock is approximately 19 cm.
Large fossil assemblage of the snail Turritella sp. from the Neogene of Kings County, California (PRI 49894). Specimen is on display at the Museum of the Earth, Ithaca, New York. Longest dimension of rock is approximately 32 cm.