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Manchuroceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Endoceratoidea
Order:
Endocerida
Family:
Manchuroceratidae
Formal Genus Name and Reference:
Manchuroceras OZAKI, 1927
Type Species:
Piloceras wolungense Kobayashi, 1931, SD KOBAYASHI, 1935
Images
(Click to enlarge in a new window)
Fig. 117, 1a, b. M. excavatum Teichert, Tasm., dorsal and oral views of siphunc1e, Xl (236). -- Fig. 117,1c-e. M. steanei TEICHERT, Tasm.; ventral, oral, lat. views of siphunc1e, X1 (236). -- Fig. 117,1f-g. *M. woiungense (KOBAYASHI), Manchuria; 1f, endosiphotube with diaphragms, X7 (18); 1g, diagram. long. and transv. sees. (104).
Synonyms
Manchuriceras, Manchurocerus, Grabauoceras, Liaotungoceras
Geographic Distribution
USSR (Sib.), E.Asia, Australia (Tasm.)
Age Range
Beginning Stage in Treatise Usage:
L.Ord. (U.Canad.)
Beginning International Stage:
Floian
Fraction Up In Beginning Stage:
0
Beginning Date:
477.08
Ending Stage in Treatise Usage:
L.Ord. (U.Canad.)
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Medium-sized, straight or very slightly endogastrically curved brevicones, Siphuncle large, surrounded by camerae from beginning; septal necks probably long; endosiphuncular wedge on ventral side of endosiphocone, resulting in somewhat crescent-shaped cross section of latter, triradiate endosiphuncular blades; endosiphuncular tube dorsal of center, crossed by closely spaced partitions.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Endoceratoidea
Order:
Endocerida
Family:
Manchuroceratidae
Formal Genus Name and Reference:
Manchuroceras OZAKI, 1927
Type Species:
Piloceras wolungense Kobayashi, 1931, SD KOBAYASHI, 1935
Images
(Click to enlarge in a new window)
Fig. 117, 1a, b. M. excavatum Teichert, Tasm., dorsal and oral views of siphunc1e, Xl (236). -- Fig. 117,1c-e. M. steanei TEICHERT, Tasm.; ventral, oral, lat. views of siphunc1e, X1 (236). -- Fig. 117,1f-g. *M. woiungense (KOBAYASHI), Manchuria; 1f, endosiphotube with diaphragms, X7 (18); 1g, diagram. long. and transv. sees. (104).
Synonyms
Manchuriceras, Manchurocerus, Grabauoceras, Liaotungoceras
Geographic Distribution
USSR (Sib.), E.Asia, Australia (Tasm.)
Age Range
Beginning Stage in Treatise Usage:
L.Ord. (U.Canad.)
Beginning International Stage:
Floian
Fraction Up In Beginning Stage:
0
Beginning Date:
477.08
Ending Stage in Treatise Usage:
L.Ord. (U.Canad.)
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Medium-sized, straight or very slightly endogastrically curved brevicones, Siphuncle large, surrounded by camerae from beginning; septal necks probably long; endosiphuncular wedge on ventral side of endosiphocone, resulting in somewhat crescent-shaped cross section of latter, triradiate endosiphuncular blades; endosiphuncular tube dorsal of center, crossed by closely spaced partitions.