Keywords: FMIB 48585 Diagram illustrating the various stages in the closing of the mantle in Pelecypoda -.jpeg check categories 14 September 2015 4 Diagram illustrating the various stages in the closing of the mantle in Pelecypoda A Mantle completely open B rudiments of siphons mantle still completely open C mantle closed at one point D mantle closed at two points with complete formation of siphonal apertures E development of siphons ventral closure more extended F mantle closed at three points with fourth orifice f foot; s a s h anal and branchial siphons; 1 2 3 first second and third points of closure of mantle Subject Bivalvia--Anatomy Tag Mollusks 1895 Cite book Molluscs Brachiopods Recent Brachiopods Fossil Cooke A H ; Shipley A E ; Reed F R C London England Macmillan and Co 1895 Cambridge Natural History v 3 Figure 80 Creator A H Cooke Creator Arthur Shipley Creator Frederick R C Reed PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 48585 A H Cooke Arthur Everett Shipley Frederick R C Reed Bivalvia anatomy |