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17 Cards in this Set

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Capitellidae info.
Most common & widespread
Opportunistic, colonizers
Non-selective deposit feeders
Capitella capitata
Member of Capitellidae
Indicates presents of pollutants
Capitellidae morphology
Head lacks appendages
Simple, eversible proboscis
Parapodia reduced
notosetae &nuerosetae
Thoracic region
Capillary setae & hooded hooks
Family Maldanidae info.
"Bamboo worms"
Tubiculus
Common in shallow seagrass beds & mudflats
Non-selective deposit feeders
Maldanidae morphology
Segments longer than wide
Parapodia reduced
Neurosetae not present on all segments
Uncinigerous tori may be present
Anal cirri
Nuchal organs/grooves on prostomium
Family Orbiniidae info.
Common in shallow waters of estuaries
Burrow in soft sediments
Most are selective deposit feeders
Orbiniidae morphology
Branching proboscis
2 distinct regions
anterior parapodia reduced
posterior parapodia have associated branchiae
head rounded or very pointed
various setae, but all have capillary
Fleshy, lobed proboscis
Polychaeta subclasses
Scolecida
Palpata
SC: Scolecida Families
Capitellidae
Maldanidae
Orbiniidae
SC Palpata orders
Aciculata
Canalipalpata
Aciculata families
Polynoidae
Chrysopetalidae
Nereidae
Eunicidae
Canalipalata sub-orders
Sabellida
Terebellida
Spionida
Canalipalpata families
Sabellidae
Ampharetidae
Spionidae
Family Polynoidae info.
"Scale worm"
Widespread marine habitats
Carnivorous
Commensal
Elytra
Family Chrysopetalidae info.
temperate and tropical waters
Shallow subtidal rocky or sandy environments
Palae
Family Nereidae info.
Very common
All substrata, shallow water
Tolerant of brackish conditions
Everscible proboscis
Omnivorous
Nereidae morphology
Prostomium often polygonal
Dorsal antennae
Ventral biarticulate palps
Usually 2 pairs eyes
Usually 2 pairs tentacular cirri (2+2)
Parapodia usually biramous, compound setae, dorsal & ventral cirri present
Everscible proboscis with jaws and often paragnath