Submitted by: Mary Ann Szwabowski
Taxon: Nephriticeras
Submit date: 2023-09-26
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: Specimen measures about 6-1/2" x 3-1/2". The shell that remains has been preserved by two different types of bryozoan which one type, unidentified, is on the outside of the shell and the other type, Repteria stolonifera, is on the underside of the shell.