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Fuciniceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Hildoceratidae
Formal Genus Name and Reference:
Fuciniceras HAAS, 1913
Type Species:
Harpoceras lavinianum Meneghini in FUCINI, 1900
Images
(Click to enlarge in a new window)
Fig. 289,7. *F. lavinianum (Men.), 7a,b, x1 (162*)
Synonyms
Geographic Distribution
Eu.-N.Afr.-Cauc.-Baluch.-Japan-Indon.
Age Range
Beginning Stage in Treatise Usage:
U.Pliensb., ?L.Toarc.
Beginning International Stage:
Pliensbachian
Fraction Up In Beginning Stage:
50
Beginning Date:
188.55
Ending Stage in Treatise Usage:
U.Pliensb., ?L.Toarc.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
50
Ending Date:
179.45
Description
Planulate, with flat sides and venter ranging from acute or unicarinate tabulate to carinate-bisulcate, and in many species passing from one to other and back again during development, ribbing gently falcoid, not projected at periphery
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Hildoceratidae
Formal Genus Name and Reference:
Fuciniceras HAAS, 1913
Type Species:
Harpoceras lavinianum Meneghini in FUCINI, 1900
Images
(Click to enlarge in a new window)
Fig. 289,7. *F. lavinianum (Men.), 7a,b, x1 (162*)
Synonyms
Geographic Distribution
Eu.-N.Afr.-Cauc.-Baluch.-Japan-Indon.
Age Range
Beginning Stage in Treatise Usage:
U.Pliensb., ?L.Toarc.
Beginning International Stage:
Pliensbachian
Fraction Up In Beginning Stage:
50
Beginning Date:
188.55
Ending Stage in Treatise Usage:
U.Pliensb., ?L.Toarc.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
50
Ending Date:
179.45
Description
Planulate, with flat sides and venter ranging from acute or unicarinate tabulate to carinate-bisulcate, and in many species passing from one to other and back again during development, ribbing gently falcoid, not projected at periphery