Examples of five 3D models of Pteriomorphia bivalves

Virtual Collection: Subclass Pteriomorphia

This virtual collection was last curated by Jaleigh Pier on August 27, 2019. Creative Commons License 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.

Order Arcida


Family Arcidae

Fossil specimen of the bivalve Anadara lienosa from the Pliocene Tamiami Formation (Pinecrest Beds) of Sarasota County, Florida (PRI 70070). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Width of specimen is approximately 11.5 cm.


Fossil specimen of the bivalve Anadara lienosa from the Pliocene Tamiami Formation (Pinecrest Beds) of Sarasota County, Florida (PRI 70070). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Width of specimen is approximately 11.5 cm.


Animated model of a fossil specimen of the bivalve Anadara lienosa from the Pliocene Tamiami Formation (Pinecrest Beds) of Sarasota County, Florida (PRI 70070). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Width of specimen is approximately 11.5 cm. 

Order Mytilida (Mussels)


Family Mytilidae

Fossil specimen of the mussel Mytilus conradinus from the Plio-Pleistocene of Sarasota County, Florida (PRI 45202). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 12 cm.


Fossil specimen of a mussel shell (Family Mytilidae) from Panama (PRI 76793). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 16 cm.


Fossil of the mussel Aulacomya sp. from the Eocene La Meseta Fm. of Seymour Island, Antarctica (PRI 65513). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 13.5 cm.


Fossil specimen of the mussel Modiolus thomsoni from the Eocene La Meseta Formation of Seymour Island, Antarctica. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 5.5 cm.


Fossil specimen of the mussel Modiolus thomsoni from the Eocene La Meseta Fm. of Seymour Island, Antarctica (PRI 63370). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of shell is approximately 6.5 cm.

Order Myalinida


Family Ambonychiidae

Fossil bivalves Ambonychia ulrichi from the Ordovician Fairview Formation of Warren County, Ohio (PRI 49768). Specimen is on display at the Museum of the Earth, Ithaca, New York. Longest dimension of rock is approximately 13 cm.


Family Inoceramidae

Fossil specimen of the bivalve Inoceramus deformis from the Cretaceous Niobrara Limestone of Morrison, Colorado (PRI 55067). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is 14.5 cm.


Fossil specimen of the bivalve Inoceramus barabina from the Cretaceous Pierre Shale of the Black Hills of South Dakota (PRI 76764). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is approximately 6 cm.


Fossil specimen of the inoceramid bivalve Inoceramus sp. from the Jurassic Chinitna Fm. of Alaska. Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of specimen is approximately 11.5 cm. 


Family Myalinidae

Fossil bivalve Myalina copei from the Permian Moran Fm. of Shackelford County, Texas (PRI 50306). Specimen is on display at the Museum of the Earth, Ithaca, New York. Longest dimension of shell is approximately 9 cm.

Order Ostreida


Family Gryphaeidae


Fossil specimen of the oyster (or, “Devil’s Toenail”) Gryphaea marcoui from the Cretaceous of Denton County, Texas (PRI 76757). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 6 cm.


Fossil specimen of the bivalve oyster Pycnodonte sp. from the Maastrichtian Lopez De Bertodano Formation of Seymour Island, Antarctica (PRI 61340). From the collections of the Paleontological Research Institution. The specimen is 7.5 cm in length. Model created by Jaleigh Pier.


Family Ostreidae

Fossil specimen of the oyster Ostrea sp., purportedly from the Miocene of Spain (PRI 70602). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Maximum length of specimen is approximately 11.5 cm.


Fossil specimen of the oyster Ostrea coxi from the Plio-Pleistocene of Sarasota County, Florida (PRI 40844). Specimen is from the collection of the Paleontological Research Institution, Ithaca, New York. Maximum dimension of specimen is approximately 7.5 cm. The small, round hole in the shell was made by a predatory snail (likely a moon snail).


Fossil specimen of the bivalve oyster Ostrea coxi from the Plio-Pleistocene of Sarasota County, Florida (PRI 40844). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is approximately 6 cm. Hole in shell was produced by a predatory snail.


Fossil shells of the oyster Ostrea antarctica from the Eocene La Meseta Formation of Seymour Island, Antarctica (PRI 59446). Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of shell is approximately 10 cm.


Single valve of the fossil oyster Ostrea seymouriensis from the Eocene La Meseta Formation of Seymour Island, Antarctica. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Length of specimen is approximately 13.5 cm.


Fossil specimens of the oyster Rastellum diluvianum from the Cretaceous Austin Chalk of Williamson Couty, Texas (PRI 50394). Specimen is on display at the Museum of the Earth, Ithaca, New York. Longest dimension of specimen is approximately 16.5 cm.


Family Pteriidae

Fossil specimen of the bivalve Isognomon alatus from the Plio-Pleistocene of Sarasota County, Florida (PRI 40898). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is approximately 6 cm.


Fossil specimen (hinge fragment) of the oyster Isognomon maxillata from the Miocene Choptank Formation of St. Marys County, Maryland (PRI 76763). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Maximum dimension of specimen is 11.5 cm.


Family Vlastidae

Fossil bivalve Vlasta americana from the Ordovician period (PRI 49892). Specimen is on display at the Musuem of the Earth, Ithaca, New York. Longest dimension of shell is approximately 10 cm.

Order Pectinida


Family Pectinidae

Fossil specimen of the bivalve scallop Argopecten gibbus from the Neogene (Pliocene) of Sarasota County, Florida (PRI 50125). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Width of specimen is approximately 6 cm.


Fossil specimen of the bivalve scallop Argopecten gibbus from the Neogene (Pliocene) of Sarasota County, Florida (PRI 50125). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Width of specimen is approximately 6 cm.


Fossil specimens of the barnacle Balanus concavus on a scallop shell (Lyropecten sp.) from the Miocene of Virginia. Specimen is from the research collections of the Paleontological Research Institution, Ithaca, New York. Width of scallop is approximately 10 cm.


Family Spondylidae

Fossil specimen of the bivalve Spondylus rotundatus from the Neogene (Pliocene) Pinecrest Beds of Sarasota County, Florida (PRI 41912). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is approximately 9 cm.