Description Name of object: Sphenotrochus crispus Specimen ID: USNM M327604 Type Specimen: Not a Type Locality: Middle Eocene, Grignon, France Orientation: Lateral view Preparation Method: Skeleton Surface Imaging Method: SEM Copyright: None Author Cairns (1997): Plate 9, Figure ePNG file - 553.01 kB - 854 x 1 024 pixelsadded on 2023-02-24232 views This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License