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Paracyprideis
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Neocytherideidinae
Formal Genus Name and Reference:
Paracyprideis KLIE, 1929
Type Species:
Cytheridea fennica HIRSCHMANN, 1909
Images
(Click to enlarge in a new window)
Fig. 216,1a,b. *P. fennica (Hirschmann), Rec., Baltic, 1a,b, female RV int., female LV lat., X45 (171). -- Fig. 216,1 c-e. P. rarefistulosa (Lienenklays), Oligo.(Rupel.), Belg., 1c.d, female RV lat., RV int., X75, 1e, male LV int., X75 (42).
Synonyms
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace like that of Cytheridea in shape but hinge teeth of RV and median bar of LV not crenulate; surface smooth except for large normal canals, which in fossil forms are sievelike; large vestibule in front part of interior with few short radial canals diverging from it, muscle scars in vertical row of 4, with usually 2 antennal scars in front of upper end of row, one scar being larger than the other, mandibular scars obliquely below, and additional scars higher in carapace.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Podocopina
Superfamily:
Cytheracea
Family:
Cytherideidae
Subfamily:
Neocytherideidinae
Formal Genus Name and Reference:
Paracyprideis KLIE, 1929
Type Species:
Cytheridea fennica HIRSCHMANN, 1909
Images
(Click to enlarge in a new window)
Fig. 216,1a,b. *P. fennica (Hirschmann), Rec., Baltic, 1a,b, female RV int., female LV lat., X45 (171). -- Fig. 216,1 c-e. P. rarefistulosa (Lienenklays), Oligo.(Rupel.), Belg., 1c.d, female RV lat., RV int., X75, 1e, male LV int., X75 (42).
Synonyms
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Carapace like that of Cytheridea in shape but hinge teeth of RV and median bar of LV not crenulate; surface smooth except for large normal canals, which in fossil forms are sievelike; large vestibule in front part of interior with few short radial canals diverging from it, muscle scars in vertical row of 4, with usually 2 antennal scars in front of upper end of row, one scar being larger than the other, mandibular scars obliquely below, and additional scars higher in carapace.