phylum platyhelminthes - adam oliver...
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BIO2135 – Animal Form and Function
Phylum PlatyhelminthesMiller and Harley Chap. 10
BIO2135 – Animal Form and Function
Platyhelminthes Phylogeny
Fig. 10.1
BIO2135 – Animal Form and Function
Lophotrochozoa
Fig. 10.2
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BIO2135 – Animal Form and Function
Lophotrochozoa PhylogenyFlat bodies
Platyzoa
Lophozoa
Trochozoa
BIO2135 – Animal Form and Function
Platyhelminthes Taxonomy● Class Turbellaria
– Free-living & mostly aquaticflatworms
● Class Trematoda– Endoparasites of molluscs &
vertebrates, trematodes
● Class Monogenea– Ectoparasites of vertebrates,
flukes
● Class Cestoidea– Endoparasites of crustacea &
vertebrates
BIO2135 – Animal Form and Function
Class Turbellaria
Fig. 10.3
Dorso-ventral muscles
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BIO2135 – Animal Form and Function
Feeding and Digestion
Fig. 10.5
Ocellus
BIO2135 – Animal Form and Function
Planarian Feeding
BIO2135 – Animal Form and Function
Osmoregulation: Protonephridia
Fig. 10.6
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Nervous System
Auricle
Fig. 24.7 & 24.17
BIO2135 – Animal Form and Function
Reproduction
Fig. 10.8 Fig. 10.9
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Planarian Sexual Reproduction
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BIO2135 – Animal Form and Function
Class Trematoda
Fig. 10.16 & 10.11
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Trematoda Lifecycle
Fig. 10.12 & 10.13
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Class Monogenea
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Class Cestoidea
Fig. 10.16
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Cestoidea Lifecycle
Fig. 10.17
& 10.18
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Diffusion
Fig. 26.11
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BIO2135 – Animal Form and Function
Next Class● Bryozoa - Lophophora