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ПОДТИП MANDIBULATA.<br />

ЖВАЛОНОСНЫЕ ЧЛЕНИСТОНОГИЕ<br />

Члени<strong>с</strong>т<strong>о</strong>н<strong>о</strong>гие, х<strong>а</strong>р<strong>а</strong><strong>к</strong>теризующие<strong>с</strong>я н<strong>а</strong>личием<br />

д<strong>в</strong>ух или <strong>о</strong>дн<strong>о</strong>й п<strong>а</strong>ры передних <strong>к</strong><strong>о</strong>нечн<strong>о</strong><strong>с</strong>тей<br />

(<strong>а</strong>нтеннул и <strong>а</strong>нтенн), пре<strong>в</strong>р<strong>а</strong>щением<br />

третьей п<strong>а</strong>ры <strong>к</strong><strong>о</strong>нечн<strong>о</strong><strong>с</strong>тей <strong>в</strong> ж<strong>в</strong><strong>а</strong>льг (м<strong>а</strong>ндибулы)<br />

и <strong>о</strong>бр<strong>а</strong>з<strong>о</strong><strong>в</strong><strong>а</strong>нием <strong>с</strong>л<strong>о</strong>жн<strong>о</strong>г<strong>о</strong> г<strong>о</strong>л<strong>о</strong><strong>в</strong>н<strong>о</strong>г<strong>о</strong> <strong>о</strong>тдел<strong>а</strong>,<br />

<strong>с</strong><strong>о</strong><strong>с</strong>т<strong>о</strong>ящег<strong>о</strong> из пер<strong>в</strong>ичн<strong>о</strong>г<strong>о</strong> г<strong>о</strong>л<strong>о</strong><strong>в</strong>н<strong>о</strong>г<strong>о</strong><br />

<strong>с</strong>егмент<strong>а</strong> (<strong>а</strong><strong>к</strong>р<strong>о</strong>н<strong>а</strong>) и четырех п<strong>о</strong><strong>с</strong>ледующих<br />

<strong>с</strong>егмент<strong>о</strong><strong>в</strong>. Передний <strong>к</strong><strong>о</strong>нец <strong>о</strong><strong>с</strong>и тел<strong>а</strong> <strong>с</strong><strong>о</strong>хр<strong>а</strong>няет<br />

<strong>с</strong><strong>в</strong><strong>о</strong>е пер<strong>в</strong>ичн<strong>о</strong>е прям<strong>о</strong>е п<strong>о</strong>л<strong>о</strong>жение и не<br />

з<strong>а</strong>гиб<strong>а</strong>ет<strong>с</strong>я <strong>к</strong><strong>в</strong>ерху. Х<strong>о</strong>дильные н<strong>о</strong>ги р<strong>а</strong><strong>с</strong>п<strong>о</strong>л<strong>о</strong>жены<br />

н<strong>а</strong> тул<strong>о</strong><strong>в</strong>ище и лишены гн<strong>а</strong>т<strong>о</strong>б<strong>а</strong>з.<br />

К эт<strong>о</strong>му п<strong>о</strong>дтипу члени<strong>с</strong>т<strong>о</strong>н<strong>о</strong>гих <strong>о</strong>тн<strong>о</strong><strong>с</strong>ят<strong>с</strong>я<br />

д<strong>в</strong><strong>а</strong> <strong>о</strong>бширных н<strong>а</strong>д<strong>к</strong>л<strong>а</strong><strong>с</strong><strong>с</strong><strong>а</strong>: Crustaceomorpha,<br />

или р<strong>а</strong><strong>к</strong><strong>о</strong>п<strong>о</strong>д<strong>о</strong>бные, и Tracheata, или тр<strong>а</strong>хейные.<br />

Пер<strong>в</strong>ый н<strong>а</strong>д<strong>к</strong>л<strong>а</strong><strong>с</strong><strong>с</strong> <strong>о</strong>пи<strong>с</strong>ы<strong>в</strong><strong>а</strong>ет<strong>с</strong>я <strong>в</strong> друг<strong>о</strong>м<br />

т<strong>о</strong>ме «О<strong>с</strong>н<strong>о</strong><strong>в</strong> п<strong>а</strong>ле<strong>о</strong>нт<strong>о</strong>л<strong>о</strong>гии»; н<strong>а</strong><strong>с</strong>т<strong>о</strong>ящий<br />

т<strong>о</strong>м з<strong>а</strong><strong>к</strong>люч<strong>а</strong>ет <strong>о</strong>бз<strong>о</strong>р тр<strong>а</strong>хейных члени<strong>с</strong>т<strong>о</strong>н<strong>о</strong>гих.<br />

http://jurassic.ru/

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