Welcome to the Crustaceans subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Steusloffina
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Ostracoda - Order and Suborder uncertain
Family:
Ostracoda - Family uncertain
Formal Genus Name and Reference:
Steusloffina TEICHERT, 1937
Type Species:
*S. ulrichi
Images
(Click to enlarge in a new window)
Fig. 332,12. *S. ulrichi, M.Ord.(Trenton.), Can.(Arct.); 12a-d, carapace (holotype) R lat., dors., vent., ant., X30 (368). -- Fig. 333,6. S. papillosa HESSLAND, U. Ord. (Ashgill.), Est.; 6a,b, carapace (holotype) L, R, X27 (30). (HESSLAND.]
Synonyms
Geographic Distribution
NW.Eu. (Baltoscandia)Greenl.-N.Am.(Arct. Can.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Dorsal margin long, hinge depressed (dorsum epicline); outline of free margin asymmetrical, posterodorsal angle acute; nonsulcate; lateral prominence (bulb or spine) generally present, tending to be broken at base leaving characteristic crater-like depression; no adventral structure. Dimorphism not observed.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Ostracoda - Order and Suborder uncertain
Family:
Ostracoda - Family uncertain
Formal Genus Name and Reference:
Steusloffina TEICHERT, 1937
Type Species:
*S. ulrichi
Images
(Click to enlarge in a new window)
Fig. 332,12. *S. ulrichi, M.Ord.(Trenton.), Can.(Arct.); 12a-d, carapace (holotype) R lat., dors., vent., ant., X30 (368). -- Fig. 333,6. S. papillosa HESSLAND, U. Ord. (Ashgill.), Est.; 6a,b, carapace (holotype) L, R, X27 (30). (HESSLAND.]
Synonyms
Geographic Distribution
NW.Eu. (Baltoscandia)Greenl.-N.Am.(Arct. Can.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Dorsal margin long, hinge depressed (dorsum epicline); outline of free margin asymmetrical, posterodorsal angle acute; nonsulcate; lateral prominence (bulb or spine) generally present, tending to be broken at base leaving characteristic crater-like depression; no adventral structure. Dimorphism not observed.