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Fragum
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Fraginae
Formal Genus Name and Reference:
Fragum RÖDING, 1798
Type Species:
*Cardium fragum LINNÉ, 1758, T
Images
(Click to enlarge in a new window)
Fig. E86,11. *F. (F.) fragum (Linné), Rec., E.Indies, 11a,b, RV ext., LV int., X1 (Keen).
Synonyms
Hemicardia
Geographic Distribution
E.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Triangular, hinge with cardinals subequal, peg-shaped, rib ornamentation threadlike
References
Röding, P. F., 1798, Museum Boltenianum sive Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten, M.D.p.d., Pars Secunda: viii +119 p., Typis Johan Christi Trapii (Hamburg).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Fraginae
Formal Genus Name and Reference:
Fragum RÖDING, 1798
Type Species:
*Cardium fragum LINNÉ, 1758, T
Images
(Click to enlarge in a new window)
Fig. E86,11. *F. (F.) fragum (Linné), Rec., E.Indies, 11a,b, RV ext., LV int., X1 (Keen).
Synonyms
Hemicardia
Geographic Distribution
E.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Triangular, hinge with cardinals subequal, peg-shaped, rib ornamentation threadlike
References
Röding, P. F., 1798, Museum Boltenianum sive Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten, M.D.p.d., Pars Secunda: viii +119 p., Typis Johan Christi Trapii (Hamburg).