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Cornia
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Branchiopoda
Subclass:
Diplostraca
Order:
Conchostraca
Suborder:
Spinicaudata
Superfamily:
Vertexioidea
Family:
Vertexiidae
Formal Genus Name and Reference:
Cornia LYUTKEVICH, 1937
Type Species:
*C. papillaria Lyutkevich, 1937, p. 63, OD, non C. melliculum Lyutkevich, 1937, p. 64 (nom. nud., incorrectly designated as genotype), non C. melliculum Lyutkevich, 1941, p. 36, not "one of the originally included nominal species"-ICZN Code (1961) Art. 69, a
Images
(Click to enlarge in a new window)
Fig. 58,1a. C. papillaria, U.Perm.(Tatar.), Kuznetsk Basin, two valves, X17 (79). -- Fig. 58, 1b. C. laminata (Raymond), L.Perm.(Leonard.), USA(Kans.-Okla.), right valve, X24 (142)
Synonyms
Pemphieycius
Geographic Distribution
USSR (Sib.), N. Am. (USA)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.(Westphal.)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
48.4
Beginning Date:
319.4
Ending Stage in Treatise Usage:
U. Perm.(Tatar.)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Valve shape varying from subovate to subrectangular, beak position subcentral to anterior, small spine or tubercle rising from center of initial valve, sculpture punctate
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Crustacea (superclass)
Class:
Branchiopoda
Subclass:
Diplostraca
Order:
Conchostraca
Suborder:
Spinicaudata
Superfamily:
Vertexioidea
Family:
Vertexiidae
Formal Genus Name and Reference:
Cornia LYUTKEVICH, 1937
Type Species:
*C. papillaria Lyutkevich, 1937, p. 63, OD, non C. melliculum Lyutkevich, 1937, p. 64 (nom. nud., incorrectly designated as genotype), non C. melliculum Lyutkevich, 1941, p. 36, not "one of the originally included nominal species"-ICZN Code (1961) Art. 69, a
Images
(Click to enlarge in a new window)
Fig. 58,1a. C. papillaria, U.Perm.(Tatar.), Kuznetsk Basin, two valves, X17 (79). -- Fig. 58, 1b. C. laminata (Raymond), L.Perm.(Leonard.), USA(Kans.-Okla.), right valve, X24 (142)
Synonyms
Pemphieycius
Geographic Distribution
USSR (Sib.), N. Am. (USA)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.(Westphal.)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
48.4
Beginning Date:
319.4
Ending Stage in Treatise Usage:
U. Perm.(Tatar.)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Valve shape varying from subovate to subrectangular, beak position subcentral to anterior, small spine or tubercle rising from center of initial valve, sculpture punctate