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.
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.