This virtual collection was last curated by Jaleigh Pier on August 20, 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.
Order Spiraculata
Fossil specimen of the blastoid Pentremites godani from the Mississippian Paint Creek Formation of St. Clair County, Illinois (PRI 70771). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Specimen is approximately 2 cm in length.
Fossil blastoid Pentremites robustus from the Mississippian of Crawford County, Indiana (PRI 44909). Specimen is on display at the Museum of the Earth, Ithaca, New York. Length of specimen is approximately 4.5 cm.