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Hemihoplites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Ancylocerataceae
Family:
Hemihoplitidae
Formal Genus Name and Reference:
Hemihoplites SPATH, 1924a, p. 84
Type Species:
Ammonites feraudianus ORBIGNY, 1841, p. 324
Images
(Click to enlarge in a new window)
—F IG . 180,2a–c. *H. feraudianus (O RBIGNY ), Barremian, France; a,b, × 1 (new); c, enlarged (Orbigny, 1840–1842).
Synonyms
Matheronites, Ornicephalites
Geographic Distribution
France, Austria
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Middle Barremian)
Beginning International Stage:
Barremian
Fraction Up In Beginning Stage:
30
Beginning Date:
124.97
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Barremian)
Ending International Stage:
Barremian
Fraction Up In Ending Stage:
65
Ending Date:
123.19
Description
Evolute, compressed, whorl section rectangular, ribs simple or branching or long and short, well spaced, straight or slightly flexuous
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Ancylocerataceae
Family:
Hemihoplitidae
Formal Genus Name and Reference:
Hemihoplites SPATH, 1924a, p. 84
Type Species:
Ammonites feraudianus ORBIGNY, 1841, p. 324
Images
(Click to enlarge in a new window)
—F IG . 180,2a–c. *H. feraudianus (O RBIGNY ), Barremian, France; a,b, × 1 (new); c, enlarged (Orbigny, 1840–1842).
Synonyms
Matheronites, Ornicephalites
Geographic Distribution
France, Austria
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Middle Barremian)
Beginning International Stage:
Barremian
Fraction Up In Beginning Stage:
30
Beginning Date:
124.97
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Barremian)
Ending International Stage:
Barremian
Fraction Up In Ending Stage:
65
Ending Date:
123.19
Description
Evolute, compressed, whorl section rectangular, ribs simple or branching or long and short, well spaced, straight or slightly flexuous