Lateral view of unequal-sized costae and intercostae
Description Name of object: Sphenotrochus wellsi cf. Specimen ID: USNM 77077 Type Specimen: Not a Type Locality: Balcombian, Spring Creek Orientation: Lateral view Preparation Method: Skeleton Surface Imaging Method: Photograph Copyright: None Author Cairns (1997): Plate 9, Figure cPNG file - 525.47 kB - 910 x 1 024 pixelsadded on 2023-02-24243 views This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License