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Nuculoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Neoglyphioceratoidea
Family:
Cravenoceratidae
Subfamily:
Nuculoceratinae
Formal Genus Name and Reference:
Nuculoceras BISAT, 1924, p. 100
Type Species:
N. nuculum, OD
Images
(Click to enlarge in a new window)
Fig. 41a. *N. nuculum, Couthuyin, Liège, Belgium, upper Serpukhovian, X 1.4 (Demanet, 1941).-Fig. 41b. N. crenistriatoides Kullmann, holotype, suture, Družetić-Milivojević, Serbia, upper Serpukhovian, SLM 4063/22, whorl height at 5 mm , whorl width 6.5 mm, X 3.5 (Kullmann, 1962)."
Synonyms
Geographic Distribution
Great Britain, Ireland, Belgium, Germany, Netherlands, Serbia, Ukraine, Morocco, China (Xizang), Kazakhstan (South Urals)
Age Range
Beginning Stage in Treatise Usage:
Mississippian (Serpukhovian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form subglobose to globose, narrowly umbilicate, sculpture consisting of strong transverse striae crossed by closely spaced longitudinal lirae, sometimes producing crenistriate pattern, transverse striae with ventrolateral salient and shallow ventral sinus, ventral lobe narrow, with relatively low median saddle, first lateral saddle narrowly rounded, adventitious lobe relatively narrow, pointed, with straight sides
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Neoglyphioceratoidea
Family:
Cravenoceratidae
Subfamily:
Nuculoceratinae
Formal Genus Name and Reference:
Nuculoceras BISAT, 1924, p. 100
Type Species:
N. nuculum, OD
Images
(Click to enlarge in a new window)
Fig. 41a. *N. nuculum, Couthuyin, Liège, Belgium, upper Serpukhovian, X 1.4 (Demanet, 1941).-Fig. 41b. N. crenistriatoides Kullmann, holotype, suture, Družetić-Milivojević, Serbia, upper Serpukhovian, SLM 4063/22, whorl height at 5 mm , whorl width 6.5 mm, X 3.5 (Kullmann, 1962)."
Synonyms
Geographic Distribution
Great Britain, Ireland, Belgium, Germany, Netherlands, Serbia, Ukraine, Morocco, China (Xizang), Kazakhstan (South Urals)
Age Range
Beginning Stage in Treatise Usage:
Mississippian (Serpukhovian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form subglobose to globose, narrowly umbilicate, sculpture consisting of strong transverse striae crossed by closely spaced longitudinal lirae, sometimes producing crenistriate pattern, transverse striae with ventrolateral salient and shallow ventral sinus, ventral lobe narrow, with relatively low median saddle, first lateral saddle narrowly rounded, adventitious lobe relatively narrow, pointed, with straight sides