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Thesaurus: prooestracum
The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous. See Illust. of Phragmocone.
Related headwords
phragmoconedefinitionallieddefinitionanteriordefinitionbelemnitesdefinitioncalcareousdefinitioncephalopodsdefinitionfossildefinitionguarddefinitionhornydefinitionprolongationdefinitionseedefinitionwhetherdefinitionprooeticfamilypronuncialneighborpronunciamentoneighborpronunciamentosneighborpronunciamientoneighborpronunciationneighborpronunciationsneighborpronunciativeneighborpronunciatorneighborpronunciatoryneighborproocutorshipneighborproofneighborproof spiritneighborproof-armneighborproof-proofneighborproof-readersneighbor
Definitions
- The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous. See Illust. of Phragmocone.