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Reticuloceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Gastrioceratoidea
Family:
Reticuloceratidae
Formal Genus Name and Reference:
Reticuloceras BISAT, 1924, p. 114
Type Species:
Goniatites reticulatus PHILLIPS, 1836, p. 235, OD
Images
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Synonyms
Geographic Distribution
Age Range
Beginning Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
50
Ending Date:
319.28
Description
Conch form involute, with wide or narrow umbilicus, Ornamentation in general weakly developed, Sculpture consisting of transverse growth striae, sometimes crenulate, with ventrolateral salient and ventral sinus, usually crossed by fine spiral lirae, thus producing reticulate ornamentation, Small riblets near umbilicus and faint umbilical nodes common at early whorls, Constrictions may be present, but no ventrolateral furrows, Median saddle reaching half height of entire ventral lobe, Adventitious lobe as wide and deep as ventral lobe
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Gastrioceratoidea
Family:
Reticuloceratidae
Formal Genus Name and Reference:
Reticuloceras BISAT, 1924, p. 114
Type Species:
Goniatites reticulatus PHILLIPS, 1836, p. 235, OD
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Age Range
Beginning Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
50
Ending Date:
319.28
Description
Conch form involute, with wide or narrow umbilicus, Ornamentation in general weakly developed, Sculpture consisting of transverse growth striae, sometimes crenulate, with ventrolateral salient and ventral sinus, usually crossed by fine spiral lirae, thus producing reticulate ornamentation, Small riblets near umbilicus and faint umbilical nodes common at early whorls, Constrictions may be present, but no ventrolateral furrows, Median saddle reaching half height of entire ventral lobe, Adventitious lobe as wide and deep as ventral lobe