Figures

Figure 13.7   Some bivalve genera: (a) Glycimeras (Miocene), (b) Trigonia (Jurassic), (c) Gryphaea (Jurassic), (d) Chlamys (Jurassic), (e) Mya (Recent), (f) Pholas (Recent), and (g) Spondylus (Cretaceous). Magnifi cation 0.75 for all.

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