MAKE A MEME View Large Image Belemnotheutis phragmocones.jpg en Left Perfect form of peristome a; though much compressed the cavity of the chamber partially filled with clay is well-defined<br/> Right This specimen is also perfect but in consequence of its position in ...
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Keywords: Belemnotheutis phragmocones.jpg en Left Perfect form of peristome a; though much compressed the cavity of the chamber partially filled with clay is well-defined<br/> Right This specimen is also perfect but in consequence of its position in the clay only one-half of the basal or upper part of the margin of the peristome a is visible http //books google com/books id tGwOAAAAIAAJ printsec frontcover v onepage q f false Philosophical Transactions of the Royal Society of London For the Year MDCCCXLVIII Part I Gideon Mantell 1848 PD-old-100 Belemnotheutis
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