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Mactra
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Mactracea
Family:
Mactridae (surf clams)
Subfamily:
Mactrinae
Formal Genus Name and Reference:
Mactra LINNÉ, 1767
Type Species:
Cardium stultorum Linné, 1758, SD Fleming, 1818 (+ICZN, Dir. 72, as of GRAY, 1847)
Images
(Click to enlarge in a new window)
Fig. E91,2. *M. (M.) stultorum (Linné), Medit., 2a, LV ext., X0.5 (Reeve, 1854), 2b,c, LV and RV hinges, X1 (510)
Synonyms
Trigonella, Deikea, Colorimactra, Telemactra
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Trigonal to oval, somewhat inflated, subequilateral, lunule and escutcheon delimited, ligament separated from resilium by shelly lamina, lateral teeth smooth, pallial sinus oval
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Mactracea
Family:
Mactridae (surf clams)
Subfamily:
Mactrinae
Formal Genus Name and Reference:
Mactra LINNÉ, 1767
Type Species:
Cardium stultorum Linné, 1758, SD Fleming, 1818 (+ICZN, Dir. 72, as of GRAY, 1847)
Images
(Click to enlarge in a new window)
Fig. E91,2. *M. (M.) stultorum (Linné), Medit., 2a, LV ext., X0.5 (Reeve, 1854), 2b,c, LV and RV hinges, X1 (510)
Synonyms
Trigonella, Deikea, Colorimactra, Telemactra
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Trigonal to oval, somewhat inflated, subequilateral, lunule and escutcheon delimited, ligament separated from resilium by shelly lamina, lateral teeth smooth, pallial sinus oval