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Macrocephalites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Haplocerataceae
Family:
Macrocephalitidae
Formal Genus Name and Reference:
Macrocephalites ZITTEL, 1884
Type Species:
Am. macrocephalus Schlotheim, 1813 (as interpreted by ZITTEL, 1884, ICZN pend.)
Images
(Click to enlarge in a new window)
Fig. 351,1. *M. (M.) macrocephalus (Schloth.), Ger., 1 a, b, X0.5 (65*)
Synonyms
Tmetokephalites, Macrocephaliceras
Geographic Distribution
Eu.-N.Afr.-Somali.-Kenya-?Tangan.-Madag. - Cauc. - Russia - Baluch. - Cutch-Indon.-N.Guinea-?Philip.-?N.Z.-N.Am.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Callov.
Beginning International Stage:
Callovian
Fraction Up In Beginning Stage:
0
Beginning Date:
165.29
Ending Stage in Treatise Usage:
L.Callov.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
50
Ending Date:
163.41
Description
Large to giant species, inner whorls moderately compressed, ribbed, outer whorl gradually becoming smooth, body chamber smooth and in many somewhat contracted
References
Zittel, K. A. von, 1884, Handbuch der Palacontologie: Abt. 1, Band 2, 893 p., 1109 fig. (cephalopods, p. 329-522).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Haplocerataceae
Family:
Macrocephalitidae
Formal Genus Name and Reference:
Macrocephalites ZITTEL, 1884
Type Species:
Am. macrocephalus Schlotheim, 1813 (as interpreted by ZITTEL, 1884, ICZN pend.)
Images
(Click to enlarge in a new window)
Fig. 351,1. *M. (M.) macrocephalus (Schloth.), Ger., 1 a, b, X0.5 (65*)
Synonyms
Tmetokephalites, Macrocephaliceras
Geographic Distribution
Eu.-N.Afr.-Somali.-Kenya-?Tangan.-Madag. - Cauc. - Russia - Baluch. - Cutch-Indon.-N.Guinea-?Philip.-?N.Z.-N.Am.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Callov.
Beginning International Stage:
Callovian
Fraction Up In Beginning Stage:
0
Beginning Date:
165.29
Ending Stage in Treatise Usage:
L.Callov.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
50
Ending Date:
163.41
Description
Large to giant species, inner whorls moderately compressed, ribbed, outer whorl gradually becoming smooth, body chamber smooth and in many somewhat contracted
References
Zittel, K. A. von, 1884, Handbuch der Palacontologie: Abt. 1, Band 2, 893 p., 1109 fig. (cephalopods, p. 329-522).