Welcome to the Ammonoid subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Latisageceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Prolecanitida
Superfamily:
Medlicottioidea
Family:
Medlicottiidae
Subfamily:
Episageceratinae
Formal Genus Name and Reference:
Latisageceras RUZHENTSEV, 1956a, p. 160
Type Species:
Episageceras latidorsatum NOETLING, 1904, p. 372, OD
Images
(Click to enlarge in a new window)
F ig . 138,2a–b. *L. latidorsatum (noetling), Mianwali Formation, Salt Range, ×0.67 (Noetling, 1904).
Synonyms
Geographic Distribution
Age Range
Beginning Stage in Treatise Usage:
Lopingian (Wuchiapingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Lopingian (Wuchiapingian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
100
Ending Date:
254.24
Description
Conch similar to Episageceras, but venter possibly proportionally broader, suture relatively simple: ventrolateral saddle has 8 to 10 subdivisions, and base of primary umbilical lobe may align approximately with adjacent elements. One species. [Genus is rare and inadequately known. The single representative of type species has not been restudied, and published drawings may not accurately portray sutural details.]
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Prolecanitida
Superfamily:
Medlicottioidea
Family:
Medlicottiidae
Subfamily:
Episageceratinae
Formal Genus Name and Reference:
Latisageceras RUZHENTSEV, 1956a, p. 160
Type Species:
Episageceras latidorsatum NOETLING, 1904, p. 372, OD
Images
(Click to enlarge in a new window)
F ig . 138,2a–b. *L. latidorsatum (noetling), Mianwali Formation, Salt Range, ×0.67 (Noetling, 1904).
Synonyms
Geographic Distribution
Age Range
Beginning Stage in Treatise Usage:
Lopingian (Wuchiapingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Lopingian (Wuchiapingian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
100
Ending Date:
254.24
Description
Conch similar to Episageceras, but venter possibly proportionally broader, suture relatively simple: ventrolateral saddle has 8 to 10 subdivisions, and base of primary umbilical lobe may align approximately with adjacent elements. One species. [Genus is rare and inadequately known. The single representative of type species has not been restudied, and published drawings may not accurately portray sutural details.]