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21 Cards in this Set
- Front
- Back
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Mesozoa |
Primitive marine parasites |
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Rotifera |
Rotifers Microscopic aquatic animals Found in freshwater & moist soil |
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Acanthocephala |
Spiny headed worms Parasitic worms Characterized by eversible spined proboscis - used to pierce and hold the gut wall of its host |
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Gnathostomulida |
Jaw worms Microscopic marine animals Live in sand or mud of shallow coastal environments Can survive anoxic environments |
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Micrognathozoa |
Jaw Animals 1 species Sensory tactile bristles Digestive system has a highly complex jaw apparatus |
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Nermertea |
Ribbon worms or Proboscis worms Mostly marine - sediment dwellers |
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Tardigrada |
Water Bears Ubiquitous & very small 8 legs |
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Onychophora |
Velvet Worms Have oncopods (stub feet) Spray silky substance for protection |
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Nematomorpha |
Horse Hair Worms Found in freshwater Free living & parasitic species Superficially resemble nematodes |
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Priapulida |
Penis Worms Macroscopic unsegmented worms Live in marine sediments |
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Kinorhyncha |
Mud Dragons Common in marine sediment Segmented head, neck, & trunk |
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Gastrotricha |
Stomach Worms Worm-like Lives in sediment in aquatic & marine environments |
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Chaetognatha |
Arrow Worms Predatory marine worms Major component of plankton worldwide |
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Cycliophora |
Obligate commensalists found in the mouth parts of lobsters Among the smallest known free living metazoans |
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Phoronida |
Horseshoe worms Filter feed with lophophore Build chitin tubes to protect their soft bodies |
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Brachiopoda |
Lamp shells Lophotrochozoan that resembles a mollusk |
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Bryozoa |
Moss animals Aquatic & marine Filter feeders |
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Entoprocta or Kamptozoa |
Goblet shaped bodies with long stalks Crown of solid tentacles to filter feed |
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Xenoturbellida |
Sock worms Flattened body shape Marine benthic worm like species |
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Loricifera |
Very small to microscopic marine sediment dwelling animals |
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Lophophore |
Horseshoe shaped structure with ciliated tentacles to filter feed |
