Browsing ELibrary by Subject "OBLIQUE RIBS"

Browsing ELibrary by Subject "OBLIQUE RIBS"

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  • EVOLUTIONARY MORPHOLOGY OF OBLIQUE RIBS OF BIVALVES 
    Checa A.G.; Jimenez-Jimenez A.P. (2003)
    Fossil bivalves bearing oblique ribs first appeared in the Mid Ordovician but their diversity remained low during the Palaeozoic. The diversity soon increased after the Early Triassic, peaking in the Early Cretaceous. The ...