Subclass Amphigastropoda Simroth, 1906
Order Bellerophontida McCoy, 1852
Superfamily Bellerophontoidea McCoy, 1852
Family Bellerophontidae McCoy, 1852
Genus Retispira Knight, 1945
Species tenuilineata (Gurley, 1884)
Retispira tenuilineata Plate

References
- Gurley, W. F. E., 1884. New Carboniferous fossils. Gurley Bulletin 2:1-12
- Knight, J. B., 1945. Some new genera of the Bellerophontacea. Journal of Paleontology 19:333–340
- Sedgwick, A., McCoy, F., 1850–1855. A synopsis of the classification of the British Palæozoic rocks; With a systematic description of the British Palæozoic fossils in the Geological museum of the University of Cambridge.
- Simroth, H., (1906). Versuch einer neuen Deutung der Bellerophontiden. Sitzungsberichte Der Naturforschenden Gesellschaft Zu Leipzig, 32: 3–8.

Late Carboniferous Fossils from the Glenshaw Formation in Armstrong County, Pennsylvania
Preface | The Photographic Process
Localities: Locality SL 6445 Brush Creek limestone | Locality SL 6533 Pine Creek limestone
Bivalvia: Allopinna | Parallelodon | Septimyalina
Cephalopoda: Metacoceras | Poterioceras | Pseudorthoceras | Solenochilus
Gastropoda: Amphiscapha | Bellerophon | Cymatospira | Euphemites | Glabrocingulum | Meekospira | Orthonychia | Patellilabia | Pharkidonotus | Retispira | Shansiella | Strobeus | Trepospira | Worthenia
Brachiopoda: Cancrinella | Composita | Isogramma | Linoproductus | Neospirifer | Parajuresania | Pulchratia