Search the Community
Showing results for tags 'leioceras'.
-
From the album: Cephalopods Worldwide
12cm. From the early Aalenian scissum zone in Sherborne, Dorset, GB. This is one of the many morphospecies to the palaeobiospecies Leioceras comtocostosum (Chandler & Callomon) -
Leioceras comptocostosum var. substriatum (Chandler & Callomon 2009)
Ludwigia posted a fossil in Ammonoids
This is a variation of a relatively newly created species collected at the type locality by the first author of the following work. Literature: Chandler, R.B. & Callomon, J. 2009. 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. Proceedings of the Dorset Natural History and Archaeological Society. -
Leioceras comptocostosum var. uncinatum (Chandler & Callomon 2009)
Ludwigia posted a fossil in Ammonoids
This is a variation of a relatively newly created species collected at the type locality by the first author of the following work. Literature: Chandler, R.B. & Callomon, J. 2009. 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. Proceedings of the Dorset Natural History and Archaeological Society. -
Leioceras comptocostosum var. subfalcatum (Chandler & Callomon 2009)
Ludwigia posted a fossil in Ammonoids
This is a variation of a relatively newly created species collected at the type locality by the first author of the following work. Literature: Chandler, R.B. & Callomon, J. 2009. 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. Proceedings of the Dorset Natural History and Archaeological Society. -
Leioceras comptocostosum var. subacutum (Chandler & Callomon 2009)
Ludwigia posted a fossil in Ammonoids
This is a variation of a relatively newly created species collected at the type locality by the first author of the following work. Literature: Chandler, R.B. & Callomon, J. 2009. 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. Proceedings of the Dorset Natural History and Archaeological Society. -
The shell is well preserved. It may be that the "injury" at the point where the phragmocone ends and the body chamber begins was caused by a predator.