Early Ordovician nautiloids from Virginia

A. G. Unklesbay, and R. S. Young

1956

Article

Journal of Paleontology 30(3):481-491

Find it at:

Taxa discussed in this work:

• Anguloceras
• Anguloceras depressum
• Anguloceras ovatum
• Anguloceras rotundum
• Chepuloceras
• Chepuloceras inelegans
• Clelandoceras elongatum
• Cyclostomiceratidae
• Ectenoceras chepultepecense
• Ectenoceras compressum
• Ectenoceras exile
• Ectenoceras longum
• Ellesmeroceratidae
• Levisoceras ellipticum
• Levisoceras instabile
• Levisoceras transitum
• Pachendoceras brevicameratum
• Pachendoceras confertum
• Pachendoceras parvum
• Woosteroceras chepultepecense

Taxonomy:

• Levisoceras instabile belongs to Levisoceras - Ulrich et al. (1943)
• Levisoceras transitum belongs to Levisoceras - Ulrich et al. (1943)
• Ectenoceras chepultepecense belongs to Ectenoceras - Ulrich et al. (1943)
• Ectenoceras compressum belongs to Ectenoceras - Ulrich et al. (1943)
• Ectenoceras exile belongs to Ectenoceras - Ulrich et al. (1943)
• Ectenoceras longum belongs to Ectenoceras - Ulrich et al. (1943)
• Levisoceras ellipticum belongs to Levisoceras - Ulrich et al. (1943)
• Clelandoceras elongatum belongs to Clelandoceras - Ulrich et al. (1944)
• Pachendoceras confertum belongs to Pachendoceras - Ulrich et al. (1944)
• Albertoceras staufferi belongs to Albertoceras - Ulrich et al. (1944)
• Anguloceras ovatum belongs to Anguloceras - Unklesbay and Young (1956)
• Anguloceras depressum belongs to Anguloceras - Unklesbay and Young (1956)
• Anguloceras rotundum belongs to Anguloceras - Unklesbay and Young (1956)
• Woosteroceras chepultepecense belongs to Woosteroceras - Unklesbay and Young (1956)
• Ectenoceras belongs to Ellesmeroceratidae - Unklesbay and Young (1956)
• Pachendoceras brevicameratum belongs to Pachendoceras - Unklesbay and Young (1956)
• Pachendoceras parvum belongs to Pachendoceras - Unklesbay and Young (1956)
• Chepuloceras inelegans belongs to Chepuloceras - Unklesbay and Young (1956)