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Epideroceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Eoderocerataceae
Family:
Eoderoceratidae
Subfamily:
Phricodoceratinae
Formal Genus Name and Reference:
Epideroceras SPATH, 1923
Type Species:
Am. roberti HAUER, 1854
Images
(Click to enlarge in a new window)
Fig. 274,6. *E. roberti (Hauer), Aus., 6a-c, x0.5 (633*)
Synonyms
Geographic Distribution
Eu.-Anatolia
Age Range
Beginning Stage in Treatise Usage:
L.Pliensb.(jamesoni z.)
Beginning International Stage:
Pliensbachian
Fraction Up In Beginning Stage:
0
Beginning Date:
192.9
Ending Stage in Treatise Usage:
L.Pliensb.(jamesoni z.)
Ending International Stage:
Pliensbachian
Fraction Up In Ending Stage:
50
Ending Date:
188.55
Description
Inner whorls tuberculate, not spinous, coiling more evolute, middle and outer whorls becoming high, elliptical, compressed, almost smooth, with loss of all but feeble straight primary ribbing.
References
Spath, L. F., 1923, The ammonites of the Shales-withBeef: Quart. Jour. Geol. Soc. (London), v. 79, p. 66-88.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Eoderocerataceae
Family:
Eoderoceratidae
Subfamily:
Phricodoceratinae
Formal Genus Name and Reference:
Epideroceras SPATH, 1923
Type Species:
Am. roberti HAUER, 1854
Images
(Click to enlarge in a new window)
Fig. 274,6. *E. roberti (Hauer), Aus., 6a-c, x0.5 (633*)
Synonyms
Geographic Distribution
Eu.-Anatolia
Age Range
Beginning Stage in Treatise Usage:
L.Pliensb.(jamesoni z.)
Beginning International Stage:
Pliensbachian
Fraction Up In Beginning Stage:
0
Beginning Date:
192.9
Ending Stage in Treatise Usage:
L.Pliensb.(jamesoni z.)
Ending International Stage:
Pliensbachian
Fraction Up In Ending Stage:
50
Ending Date:
188.55
Description
Inner whorls tuberculate, not spinous, coiling more evolute, middle and outer whorls becoming high, elliptical, compressed, almost smooth, with loss of all but feeble straight primary ribbing.
References
Spath, L. F., 1923, The ammonites of the Shales-withBeef: Quart. Jour. Geol. Soc. (London), v. 79, p. 66-88.