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Parabolbina
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Palaeocopida
Suborder:
Beyrichicopina
Superfamily:
Hollinacea
Family:
Hollinidae
Formal Genus Name and Reference:
Parabolbina SWARTZ, 1936
Type Species:
Ctenobollina granosa ULRICH, 1900
Images
(Click to enlarge in a new window)
Fig. 7U, 1a. *P. granosa (Ulrich), L.Dev., USA(N.Y.), 1a, female RV lat., X34 (Ulrich, 1900). -- Fic. 70,1b,c. P. limbata Swartz, L.Dev., USA (Pa.), 1b,c, female RV lat., male LV lat., X40 (Swartz, 1936).
Synonyms
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Sil.
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Only distinguishable sulcus consisting of prominent S2, which extends from hinge about halfway to ventral border; female with incurved, scalloped frill, male with 2 velar spurs on each valve.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Palaeocopida
Suborder:
Beyrichicopina
Superfamily:
Hollinacea
Family:
Hollinidae
Formal Genus Name and Reference:
Parabolbina SWARTZ, 1936
Type Species:
Ctenobollina granosa ULRICH, 1900
Images
(Click to enlarge in a new window)
Fig. 7U, 1a. *P. granosa (Ulrich), L.Dev., USA(N.Y.), 1a, female RV lat., X34 (Ulrich, 1900). -- Fic. 70,1b,c. P. limbata Swartz, L.Dev., USA (Pa.), 1b,c, female RV lat., male LV lat., X40 (Swartz, 1936).
Synonyms
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Sil.
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Only distinguishable sulcus consisting of prominent S2, which extends from hinge about halfway to ventral border; female with incurved, scalloped frill, male with 2 velar spurs on each valve.