Subphylums of Arthropoda /
The subphylum constitutes one of the major subdivisions of the phylum (or superphylum) Arthropoda, and includes horseshoe crabs, scorpions, spiders and mites. They originated as marine animals, possibly in the Cambrian period, but the first confirmed chelicerate fossils, eurypterids, date from 445 m...
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| Format: | software, multimedia |
| Language: | eng |
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Delhi, India : ,
2012
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| Online Access: | http://repository.library.utm.my/id/eprint/3877 |