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Protoconch

   Also found in: Wikipedia 0.03 sec.
Pro´to`conch
n.1.(Zool.) The embryonic shell, or first chamber, of ammonites and other cephalopods.
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Spatial and temporal variation in statolith and protoconch trace elements as natural tags to track larval dispersal.
A shell of its former self: can Ostrea lurida Carpenter 1864 larval ... by Zacherl, Danielle C.; Morgan, Steven G.; Swearer, Stephen E.; Warner, Robert R. / Journal of Shellfish Research
All lepetodrilids share essentially similar protoconch morphologies and size (170-200-[micro]m diameter), which implies lecithrotrophic larvae and a free-swimming nonfeeding stage, and hence similar dispersal potentials (Lutz et al.
DNA barcoding of Lepetodrilus limpets reveals cryptic species by Johnson, Shannon B.; Waren, Anders; Vrijenhoek, Robert C. / Journal of Shellfish Research
elevatus the maximum distance from the edge of the shell to the edge of the protoconch was used, as total length is not found to be a sensitive indicator of growth in juveniles (Sadosky et al.
Reproduction of gastropods from vents on the East Pacific rise and ... by Tyler, Paul A.; Pendlebury, Sophie; Mills, Susan W.; Mullineaux, Lauren; Eckelbarger, Kevin J.; Bake / Journal of Shellfish Research
 
 
 
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