Hinge line
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A hinge line is an imaginary longitudinal line along the dorsal edge of the shell of a bivalve mollusk where the two valves hinge or articulate. The hinge line can easily be perceived in these images of a mussel shell and an ark shell.[1][2][3]
The hinge teeth, structures which control the articulation of the valves, are often but not always situated along the hinge line.
References
[edit]- ^ "Bivalvia Morphology". Archived from the original on 2020-01-29.
- ^ J.H. Leal. "Bivalves" (PDF). www.shellmuseum.org. Archived from the original (PDF) on 2013-05-11. Retrieved 2012-11-13.
- ^ Carter, Burt. "Invertebrate Paleobiology on-line syllabus on Bivalves". Georgia Southwestern State University. Archived from the original on 2020-02-25.
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