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Sarasinella
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Perisphinctaceae
Family:
Neocomitidae
Formal Genus Name and Reference:
Sarasinella UHLIG, 1905, p. 618
Type Species:
Hoplites ambiguus Uhlig, 1902, p. 45, SD LEMOINE, 1906, p. 180
Images
(Click to enlarge in a new window)
Fig. 42, 2a, b. * S. ambigua (Uhlig), Austria, X0. 75 (Uhlig, 1902), Fig. 42, 2c, d. S. varians Uhlig, Spiti, X0.5 (Uhlig, 1910a)
Synonyms
Geographic Distribution
France, Austria, Ukraine (Crimea), Morocco, Madagascar, India (Spiti Valley), Pakistan (Salt Range), Alexander Land
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Valanginian)
Beginning International Stage:
Valanginian
Fraction Up In Beginning Stage:
0
Beginning Date:
137.7
Ending Stage in Treatise Usage:
Lower Cretaceous (Valanginian)
Ending International Stage:
Valanginian
Fraction Up In Ending Stage:
100
Ending Date:
132.6
Description
Moderately compressed to moderately inflated, inner whorls with some or all ribs bearing strong umbilical and midlateral tubercles at which ribs bifurcate and slight, sharp radial or oblique ventrolateral bullae, on outer whorls umbilical tubercles becoming dominant, with most ribs branching from them, midlateral tubercles dying out, although some second branching of ribs occurs, venter deeply grooved to flat.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Perisphinctaceae
Family:
Neocomitidae
Formal Genus Name and Reference:
Sarasinella UHLIG, 1905, p. 618
Type Species:
Hoplites ambiguus Uhlig, 1902, p. 45, SD LEMOINE, 1906, p. 180
Images
(Click to enlarge in a new window)
Fig. 42, 2a, b. * S. ambigua (Uhlig), Austria, X0. 75 (Uhlig, 1902), Fig. 42, 2c, d. S. varians Uhlig, Spiti, X0.5 (Uhlig, 1910a)
Synonyms
Geographic Distribution
France, Austria, Ukraine (Crimea), Morocco, Madagascar, India (Spiti Valley), Pakistan (Salt Range), Alexander Land
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Valanginian)
Beginning International Stage:
Valanginian
Fraction Up In Beginning Stage:
0
Beginning Date:
137.7
Ending Stage in Treatise Usage:
Lower Cretaceous (Valanginian)
Ending International Stage:
Valanginian
Fraction Up In Ending Stage:
100
Ending Date:
132.6
Description
Moderately compressed to moderately inflated, inner whorls with some or all ribs bearing strong umbilical and midlateral tubercles at which ribs bifurcate and slight, sharp radial or oblique ventrolateral bullae, on outer whorls umbilical tubercles becoming dominant, with most ribs branching from them, midlateral tubercles dying out, although some second branching of ribs occurs, venter deeply grooved to flat.