Ecdysozoa (protostomia) Flashcards by Alexis Tang | Brainscape

Q

Scalidophora

A

All are pseudocoelomate or
acoelomate

Spiny, evertable
proboscis

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Q

Nematoida

A

Pseudocoelomate

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Q

Panarthropoda

A

Coelom, hemocoel,
hemolymph

Segmented with legs, claws

Ventral nervous system

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Q

P. Priapulida

A

Penis worms

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Q

P. Loricifera

A

Telescopic lorica

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Q

P. Kinorhyncha

A

11 segments

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Q

P. Nematomorpha

A

Horsehair worms

~1 m

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Q

P. Nematoda

A

Roundworms

Parasites covered in flexible, thick cuticle

Have stylet and pharynx

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Q

P. Onychophora

A

Velvet worms

Hollow legs and thin cuticle

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Q

P. Tardigrada

A

Water bears

Hardy animals that like to live on lichens and mosses

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Q

P. Arthropoda

A

Arthropods

Segmentation, jointed appendages

Chitin exoskeleton with ecdysis

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