Three 3D models of fossil rugose corals.

Virtual Collection: Rugose Corals (Rugosa)

This virtual collection was last curated by Jonathan Hendricks on May 15, 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.

Learn more about rugose corals on the Digital Encyclopedia of Ancient Life.

Solitary and branching rugose corals


Fossil specimen of the rugose coral Heliophyllum sp. from the Middle Devonian Ludlowville Formation of Genesee County, New York (PRI 5541). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen is approximately 9.5 cm in length. 


Fossil specimen of the rugose coral Heliophyllum halli from the Middle Devonian Moscow Formation of Erie County, New York (PRI 70755). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen is approximately 11 cm in length.


Fossil rugose coral Heliophyllum confluens (branching form) from the Middle Devonian of Livingston County, New York (PRI 49870). Specimen is on display at the Museum of the Earth, Ithaca, New York. Height of specimen is approximately 20 cm.


Fossil specimen of the rugose coral Zaphrentites spinulosum from the Mississippian of Tennessee (PRI 70757). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen is approximately 3.5 cm in length.


Fossil rugose coral (or, horn coral) Acrocyathus floriformis from the Mississippian of Van Buren County, Iowa (PRI 50370). Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of specimen is approximately 9 cm.


Fossil rugose coral Campophyllum torquium from the Pennsylvanian Dewey Limestone of Oklahoma (PRI 45564). Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of specimen is approximately 16 cm.

Colonial rugose corals

Fossil specimen of the colonial rugose coral Acrocyathus floriformis from the Mississippian St. Louis Limestone of Monroe County, Illinois. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York.


Fossil specimen of the colonial rugose coral Acrocyathus floriformis from the Mississipian St. Louis Limestone of Monroe County, Illinois (PRI 70756). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen is approximately 9 cm in length.