Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Rhiphaeoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Nautiloidea
Order:
Nautilida
Superfamily:
Tainocerataceae
Family:
Rhiphaeoceratidae
Formal Genus Name and Reference:
Rhiphaeoceras Ruzhentsev & SHIMANSKIY, 1954
Type Species:
R. venustum, OD
Images
(Click to enlarge in a new window)
Figs. 303,1; 304,4. *R. venustum; 303,1a,b, X1; 304, 4, X2 (153)
Synonyms
Geographic Distribution
USSR(S. Urals)
Age Range
Beginning Stage in Treatise Usage:
L.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
L.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Evolute, perforate, with low elliptical whorl section, shoulders broadly rounded, umbilicus wide, flanks bearing faint, narrow radial ribs. Suture with low, broad ventral saddle, straight on whorl sides, and with deep dorsal lobe; growth lines forming deep sinus on venter.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Nautiloidea
Order:
Nautilida
Superfamily:
Tainocerataceae
Family:
Rhiphaeoceratidae
Formal Genus Name and Reference:
Rhiphaeoceras Ruzhentsev & SHIMANSKIY, 1954
Type Species:
R. venustum, OD
Images
(Click to enlarge in a new window)
Figs. 303,1; 304,4. *R. venustum; 303,1a,b, X1; 304, 4, X2 (153)
Synonyms
Geographic Distribution
USSR(S. Urals)
Age Range
Beginning Stage in Treatise Usage:
L.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
L.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Evolute, perforate, with low elliptical whorl section, shoulders broadly rounded, umbilicus wide, flanks bearing faint, narrow radial ribs. Suture with low, broad ventral saddle, straight on whorl sides, and with deep dorsal lobe; growth lines forming deep sinus on venter.