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Gastroplites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ammonitina
Superfamily:
Hoplitaceae
Family:
Hoplitidae
Subfamily:
Gastroplitinae
Formal Genus Name and Reference:
Gastroplites MCLEARN, 1930, p. 7
Type Species:
Hoplites canadensis WHITEAVES, 1893a, p. 118, OD
Images
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Synonyms
Geographic Distribution
England, ?Spitsbergen, Alaska, British Columbia, Saskatchewan, Alberta, Arctic Canada
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
25
Beginning Date:
110.03
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Ending International Stage:
Albian
Fraction Up In Ending Stage:
50
Ending Date:
106.85
Description
More or less involute, compressed, with rounded venter in early stages, later becoming broader, with flat venter, ribs coarse, more or less prominent, variably high and narrow, rounded, or flattened, branching above umbilical edge, tending to form bullae
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ammonitina
Superfamily:
Hoplitaceae
Family:
Hoplitidae
Subfamily:
Gastroplitinae
Formal Genus Name and Reference:
Gastroplites MCLEARN, 1930, p. 7
Type Species:
Hoplites canadensis WHITEAVES, 1893a, p. 118, OD
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
England, ?Spitsbergen, Alaska, British Columbia, Saskatchewan, Alberta, Arctic Canada
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
25
Beginning Date:
110.03
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Ending International Stage:
Albian
Fraction Up In Ending Stage:
50
Ending Date:
106.85
Description
More or less involute, compressed, with rounded venter in early stages, later becoming broader, with flat venter, ribs coarse, more or less prominent, variably high and narrow, rounded, or flattened, branching above umbilical edge, tending to form bullae