CH10: The Smaller Lophotrochozoan Phyla

Mollusca
Platyhelminthes
Annelida
Nematoda

Lophotrochozoans consists of what phyla

Phylum Ciliophora

members of this phylum live on the mouthparts of claw lobster

Phylum Gastrotricha

Microscopic animals living in marine/freshwater that are hermaphroditic and have protonephridia

Phylum Micrognathozoa

Microscopic jawed animals discovered recently

Phylum gnathostomulida

Minute worms called jaw worms, found in marine sediments

Phylum Rotifera

Named after the ciliated corona

Class Trematoda

Parasitic flukes with complex lifecycles

Phylum Brachiopoda

Phylum of trochozoan animals that have hard valves on the upper and lower surfaces

proglottids

repeating units found in tapeworms

Taeniarhynchus saginatus

Scientific name for Beef Tapeworm

Schistosoma

Scientific name for Blood fluke

Chlonorchis sinensis

Scientific name of Chinese liver fluke

Phylum Acanthocephala

Spiny-headed worms, parasitic in vertebrate intestines

Aspidogastrea & Digenea

Subclasses of Trematoda

Monophyletic lineage

they evolved from a common ancestor

Trochophore

ciliated larval form

Lophophore

ciliated tentacle structure for feeding

Class Monogenea

What class are ectoparasites usually found on fishes

Phylum Nemertea

elongated, flattened worms found in mud and sand also known as proboscis worms

Class Cestoidea

Endo parasitic worms living in the intestines of vertebrates also known as tapeworms

Class aspidogastrea

endoparasites of molluscs

Protonephridia

excretory system involved in osmoregulation of turbellaria

Class Turbellaria

free-living flatworms found in aquatic habitats

Class digenea

has 2 forms and requires 2 hosts

Hermaphroditic

have both male and female reproductive organs

Class Monogenea

have only one generation in their life cycle

Protostomes

mouth forms first from blastopore

cysticerci

larvae in tapeworms

Phylum Ectoprocta

live in sessile colonies of zooids