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Longiscula
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Metacopina
Superfamily:
Healdiacea
Family:
Bairdiocyprididae
Formal Genus Name and Reference:
Longiscula NECKAJA, 1958
Type Species:
L. arcuaris
Images
(Click to enlarge in a new window)
Fig. 143,3. *L. arcuaris, M.Ord., NW.USSR(Pskow area), 3a,b, carapace (holotype) R lat., dors. (post. end up), X28 (264).
Synonyms
Geographic Distribution
NW.Eu.(Eng.-Baltoscandia)
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:
M.Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Nonsulcate, outline depressed subtriangular, dorsal margin gently arcuate, ventral somewhat concave in central part, carapace broadest in dorsal part, LV overlapping RV along free margin, most distinct in central part of ventral margin (overlap may be indistinct or not developed along anterior and posterior ends), RV overlapping LV along dorsal margin, particularly in central part, no adventral structures or internal cavellinoid lamellae present. Dimorphism not observed. Surface smooth, tubercles developed in posterior part.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Ostracoda
Order:
Podocopida
Suborder:
Metacopina
Superfamily:
Healdiacea
Family:
Bairdiocyprididae
Formal Genus Name and Reference:
Longiscula NECKAJA, 1958
Type Species:
L. arcuaris
Images
(Click to enlarge in a new window)
Fig. 143,3. *L. arcuaris, M.Ord., NW.USSR(Pskow area), 3a,b, carapace (holotype) R lat., dors. (post. end up), X28 (264).
Synonyms
Geographic Distribution
NW.Eu.(Eng.-Baltoscandia)
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:
M.Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Nonsulcate, outline depressed subtriangular, dorsal margin gently arcuate, ventral somewhat concave in central part, carapace broadest in dorsal part, LV overlapping RV along free margin, most distinct in central part of ventral margin (overlap may be indistinct or not developed along anterior and posterior ends), RV overlapping LV along dorsal margin, particularly in central part, no adventral structures or internal cavellinoid lamellae present. Dimorphism not observed. Surface smooth, tubercles developed in posterior part.