Upcoming Events
Visit us at the Tucson Gem, Mineral & Fossil Show this winter in Arizona.
Upcoming Events
Tucson Gem, Mineral & Fossil Show
January 26th – February 9th, 2026
9:00 am – 6:00 pm
Room 141, Fossil and Mineral Alley,
Days Inn Tucson City Center, 665 N. Freeway, Tucson, Arizona 85745, United States
Contact us if you have any questions.
In press
First-ever discovered trilobite eggs preserved with pyritized trilobites.
Scientific publications
Unravelling Parallel Conceptions of the Ordovician Trilobite Flexicalymene senaria (Conrad, 1841) and Description of Flexicalymene trentonensis, n. sp. 2024. Melanie J. Hopkins; Markus J. Martin.
Supplemental material for ‘Unravelling parallel conceptions of the Ordovician trilobite Flexicalymene senaria (Conrad, 1841) and description of Flexicalymene trentonensis, n. sp. (American Museum novitates, no. 4029)’. 2024. Melanie J. Hopkins; Markus J. Martin.
Insights into stylophoran anatomy and taphonomy based on an exceptionally preserved mitrate from the Lorraine Group (Upper Ordovician) of New York, USA. 2023. Thomas Boisset; Bertrand Lefebvre; Rich Mooi; Andreas Kroh; Viola Winkler; Jérôme Adrien; Markus J. Martin.
A new species of the Ordovician horseshoe crab Lunataspis. 2022. James C. Lamsdell; Phillip A. Isotalo; David M. Rudkin; Markus J. Martin.
New rhenopyrgid edrioasteroids (Echinodermata) and their implications for taxonomy, functional morphology, and paleoecology. 2019. Timothy A. M. Ewin, Markus J. Martin, Phillip Isotalo, Samuel Zamora.
Pyritized in situ trilobite eggs from the Ordovician of New York (Lorraine Group): Implications for trilobite reproductive biology. 2017. Thomas A. Hegna; Markus J. Martin; Simon A.F. Darroch.
Exceptionally Preserved 450-Million-Year-Old Ordovician Ostracods with Brood Care. 2014. David J. Siveter; Gengo Tanaka; Úna C. Farrell; Markus J. Martin; Derek J. Siveter; Derek E.G. Briggs.
Original spotted patterns on Middle Devonian phacopid trilobites from western and central New York. 2013 Christopher A. McRoberts; Thomas A. Hegna; Jeri J. Burke; Morgan L. Stice; Steven K. Mize; Markus J. Martin.
Beyond Beecher’s Trilobite Bed: Widespread pyritization of soft tissues in the Late Ordovician Taconic foreland basin.2009. Úna C. Farrell; Markus J. Martin; James W. Hagadorn; Thomas Whiteley; Derek E.G. Briggs.
