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Identifying Marine Worms. By Erin Brown. Platyhelminthes - Flatworms. Features: Flat and broad No anus Free-living and parasitic Tip: Mostly pretty!. http ://www.islandream.com/wakatobi/flatworm02.jpg
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Identifying Marine Worms By Erin Brown
Platyhelminthes - Flatworms • Features: • Flat and broad • No anus • Free-living and parasitic • Tip: Mostly pretty! • http://www.islandream.com/wakatobi/flatworm02.jpg • http://www.starfish.ch/Fotos/worms-Wuermer/plathelminthes-Plattwurm/Pseudobiceros-gloriosus3.jpg
Nemertea - Ribbonworms • Features: • Eversible proboscis • Complete gut • Ribbony • Tip: look for proboscis • http://www.flmnh.ufl.edu/reefs/guamimg/misctaxa/Images/8.jpg • http://upload.wikimedia.org/wikipedia/commons/thumb/4/49/Nemertea_Basiodiscus_mexicanus.png/250px-Nemertea_Basiodiscus_mexicanus.png
Annelida – Segmented Worms • Features: • Segments • Chaetae • Tentacles (some) • Free-living and tube-dwelling • Marine=mostly polychaetes • Tips: Look for segments! • Nightmaretown= polychaete • https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRCrzdcxME9olrOAc4Ph3RdzFwvVWyUwGgZ--KCtlxUQ8mT2plG • https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcQF6aEcj_Y3nvMUsXs5x8G2v5Tk7W7erYDi-Jp9eqXcpvzy4w5uVw
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Sipuncula – Peanut Worms • Features: • Introvert with tentacles • Anus on side of body • Many burrow • Tip: Looks like a peanut with a plume • http://invertebrates.si.edu/images/Themiste.jpg • http://www.ucmp.berkeley.edu/sipuncula/sipunculids_big.jpg
Echiura – Spoon Worms • Features: • Proboscis (sometimes hooks) • U-shaped burrow • Tip: Find them in burrows! • With guests! • http://tolweb.org/tree/ToLimages/ochbar.250a.jpg • http://farm4.static.flickr.com/3068/2759910934_4017ca785a.jpg
Nematoda - Roundworms • Features: • Long and narrow • Only longitudinal muscle • Whip-like movements • Live EVERYWHERE • Tip: watch them move! • http://tolweb.org/tree/ToLimages/PHIL_1448_lores1.250a.jpg • http://magicsport.pl/img/content/newsy_galeria_zdjec/435_nematoda.jpg
Sources • http://eol.org/ -Encyclopedia of Life • http://www.ucmp.berkeley.edu/ -University of California Museum of Paleontology