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| Distinguishing
Characteristics |
- animal enclosed in large gelatinous mantle (not
always visible)
- 2nd antennae not branched and cylindrical
(females)
- ventral margins of valves with fine spines
- anal
claws with a small basal spine
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| Ecology |
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| Additional Notes |
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| Additional Pictures |
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| Movies |
- Video: H. gibberum feeding, with a close up of mandibles and food boluses passing into the gut. (15.2 MB)
- Video: H. gibberum feeding and breathing. Note the peristallic movement of the food chamber. Additionally, one postabdomenal rejection occurs midway through this film clip. (406 KB)
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