The Inferior Oolite at Coombe Quarry, near Mapperton, Dorset, and a new Middle Jurassic ammonite faunal horizon, Aa-3b, Leioceras comptocostosum n.biosp. in the Scissum Zone of the Lower Aalenian

R. Chandler, and J. Callomon

2009

Article

Proceedings of the Dorset Natural History and Archaeological Society 130:99-132

Find it at:

Taxa discussed in this work:

• Hammatoceras lorteti
• Leioceras comptocostosum
• Leioceras comptum
• Leioceras costosum
• Leioceras subcostosum
• Ludwigia goetzendorfensis

Taxonomy:

• Leioceras comptocostosum belongs to Leioceras - Chandler and Callomo (2009)
• Leioceras comptum belongs to Leioceras - Chandler and Callomo (2009)
• Ludwigia goetzendorfensis belongs to Leioceras comptum - Chandler and Callomo (2009)
• Leioceras costosum belongs to Leioceras - Chandler and Callomo (2009)
• Leioceras subcostosum belongs to Leioceras - Chandler and Callomo (2009)
• Hammatoceras lorteti belongs to Hammatoceras - Chandler and Callomo (2009)