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Jonesina
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Ostracoda - Order and Suborder uncertain
Suborder:
Ostracoda - Nomina dubia
Formal Genus Name and Reference:
Jonesina Ulrich & BASSLER, 1908
Type Species:
Beyrichia fastigiata Jones and KIRKBY, 1867
Images
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Synonyms
Geographic Distribution
Eng.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Fraction Up In Beginning Stage:
Beginning Date:
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Fraction Up In Ending Stage:
Ending Date:
Description
Straight-backed small trilobate ostracodes, hinge and overlap unknown (type lost, fide Johnsos, 1936). [Most species referred to this genus belong to Geisina and Hypotetragona.]
References
\& Bassler, R. S., 1908, New American Paleozoic Ostracoda. Preliminary revision of the Beyrichüdae, with descriptions of new genera: U. S. Natl. Mus., Proc., v. 35, p. 277-340, fig. 1-61, pl. 37-44 (Washington).
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Ostracoda - Order and Suborder uncertain
Suborder:
Ostracoda - Nomina dubia
Formal Genus Name and Reference:
Jonesina Ulrich & BASSLER, 1908
Type Species:
Beyrichia fastigiata Jones and KIRKBY, 1867
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Eng.
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Fraction Up In Beginning Stage:
Beginning Date:
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Fraction Up In Ending Stage:
Ending Date:
Description
Straight-backed small trilobate ostracodes, hinge and overlap unknown (type lost, fide Johnsos, 1936). [Most species referred to this genus belong to Geisina and Hypotetragona.]
References
\& Bassler, R. S., 1908, New American Paleozoic Ostracoda. Preliminary revision of the Beyrichüdae, with descriptions of new genera: U. S. Natl. Mus., Proc., v. 35, p. 277-340, fig. 1-61, pl. 37-44 (Washington).