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13 Cards in this Set
- Front
- Back
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cl` hirudinea
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Satae not present, body segments indistict suckers at both ends or one posterior
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Cl oligochAETA
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satae present, distinct segments, no parapodia. (fleshy appendages)
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cl polychaeta
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satae present, segments distinct, parapodia present.
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phylum trilobita
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only first appendage is differentiated, found in fossil form
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phylum chelicerata
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no antennae,but chelicera (pinchers) present.
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cl merostomata
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5or 6 abdominal appendages modified as gills, very long, stiff, spine-like telson (tail)
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cl arachnida
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body divided into cephalothorax and abdomen, segmentation obscure, 4 pairs of walking legs.
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phylum crustacea
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two pairs of antennae
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phylum unaramia
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one pair of antennae
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subphylum insecta
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not more than three pairs of legs on thorax, commonly ith wings
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subphylum myripodia
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with 15 or more pairs of jointed legs along body.
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cl chilopoda
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one pair of legs per body segment
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cl dilopoda
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two pairs of legs per body segment.
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