Subject ASC00007qx
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
n.s. v. 1 (1837), Page 94 (1837)
Smithsonian Libraries
BHL Page 27267685
Keywords
shell margin growth front margin mollusk terebratula Mollusca Top view of sea shell (clam type) showing the production of front margin sea shell biology fossil Terebratula:shell:front margin: