Identifying Marine WormsBy Erin Brown

Platyhelminthes - Flatworms

Features: Flat and broadNo 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

proboscisComplete gutRibbony

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 WormsFeatures:

SegmentsChaetaeTentacles (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

https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcQPl53kWPuRtx15msAhDcoMngraF6XvZ9iTfay6bUKYidc0VfM1aAhttps://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRe6xHUzxcJNibv31pYbFkpkwBthn51x8OrTT9MxTORKUx_eIIOhttps://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcTNZ4VXiffjkJ6DxW9G5LCQVta-agT202I1a9GgJBmaRFiOnVCZwAhttps://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcTX_nfmJ7CC1dusaXvEeSbOSiGpKzNVA2d0Y3mtqQTjIki7D5PU

Sipuncula – Peanut WormsFeatures:

Introvert with tentaclesAnus 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 narrowOnly longitudinal

muscleWhip-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

Sourceshttp://eol.org/ -Encyclopedia of Life

http://www.ucmp.berkeley.edu/ -University of California Museum of Paleontology