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Yoldia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculanacea
Family:
Nuculanidae
Formal Genus Name and Reference:
Yoldia MÖLLER, 1842, p. 18
Type Species:
Y. hyperborea Torell, 1859 (pro Y. arctica Möller, 1842, non Nucula arctica Gray, 1824), SD ICZN, 1966 (Opinion 769)
Images
(Click to enlarge in a new window)
Fig. A9,1l. *Y. (Y.) hyperborea (TORELL), Rec., N.Atl.; lla-c, LV ext., int., both valves dorsal, Xl (829).
Synonyms
Microyoldia, Tepidoleda
Geographic Distribution
Cret.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
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
Elongate-ovate, thin-shelled gaping in most, hinge series subequal, resilium pit large, pallial sinus deep and wide
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculanacea
Family:
Nuculanidae
Formal Genus Name and Reference:
Yoldia MÖLLER, 1842, p. 18
Type Species:
Y. hyperborea Torell, 1859 (pro Y. arctica Möller, 1842, non Nucula arctica Gray, 1824), SD ICZN, 1966 (Opinion 769)
Images
(Click to enlarge in a new window)
Fig. A9,1l. *Y. (Y.) hyperborea (TORELL), Rec., N.Atl.; lla-c, LV ext., int., both valves dorsal, Xl (829).
Synonyms
Microyoldia, Tepidoleda
Geographic Distribution
Cret.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
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
Elongate-ovate, thin-shelled gaping in most, hinge series subequal, resilium pit large, pallial sinus deep and wide