Phylum Arthropoda ( joint + leg )=jointed appendages
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1 Phylum Arthropoda ( joint + leg )=jointed appendages
2 Molt
3 Compound eye oldest eye (500 myo)
4 Great range Hundreds of small images make a single image of ~360
5 Group 1: Trilobites
6 Group 2: Horseshoe crabs Not a crab
7 Median eye Eye Moveable spines Telson Prosoma/cephalothorax Opisthosoma/abdomen Horseshoe crab, Limulus polyphemus In Greek mythology, Polyphemus was a cyclops
8 Group 3: Pycnogonids sea spiders ; not spiders
9 Rostrum Carapace Antenna Pleura/abdominal segment Telson Antennule Pereopod/propodus Pleopod Uropod Red shrimp, Farfantepenaeus aztecus
10 Propodus Palp/maxilliped Cheliped Dactyl Abdomen Telson Pleopod Carapace Crabs, Ovalipes, left, Callinectes similus, right
11
12 Farfantepenaeus duorarum Farfantepenaeus aztecus Sicyonia Litopenaeus setiferus Palaemonetes vulgaris
13 Pitho Platylambrus Libinia Stenorhynchus Persephona
14 Krill Squilla empusa Not decapods Isopod Amphipod
15 Group 5: Ostracods
16 Group 6: Copepods Eggs
17
18 25% are parasitic
19 Group 7: Cirripedes (barnacles)
20 to any substrate living or nonliving
21 Two shells Filter feeding cirri Stalk
22
23
24 Hepatus epheliticus Calappa flammea
25 Emerita talpoida
26 Dromidia antillensis
27 Ocypode quadrata
28 Balanus amphitrite
29 Phylum Brachiopoda 2 shells
30 Phylum Bryozoa
31 Phylum Echinodermata Spiny skin Pentametry
32 Others All marine
33 Arm Arm spine Tube feet Madreporite Mouth Ambulacra Anus aboral Sea star, Echinaster oral
34
35
36 Four major groups: crinoids, sea stars, urchins and cucumbers Group 1: Crinoids cirri
37
38 Group 2: sea stars
39 Armless
40 Group 3: Echinoids (urchins)
41 Plates/test Spines Ambulacral groove Madreporite aboral Anus Sea urchin, Arbacia
42 Regular Aristotle s lantern= beak
43 Irregular Heart urchins and sand dollars Burrowers
44 Group 4: sea cucumbers
45
46
47
48
49
50 Phylum Hemichordata
51
52 Subphylum Urochordata Notochord
53
54 Subphylum Cephalochordata Notochord
55 Cirri Gills Notochord Myomeres Suckers Hemichordate, Branchiostoma (Amphioxus), top; Urochordate tadpole, bottom
56 Gills! Controls body temperature and fertilizes internally! No paired fins! Neither have scales!
57 Fish a vertebrate that does not have four legs
58 Hagfish Vertebrate? Give us eel skin
59 Lampreys Certainly more fish - like
60 Jawed fishes: two extinct groups
61 Class Chondrichthyes cartilaginous fish Rays Sharks
62 Gill slits Dorsal fin Second dorsal Nostril Spiracle Pectoral fin Pelvic fin Anal fin Caudal fin Tail Shark, Squalus, top; ray, Raja, bottom
63 Buoyancy: never really successful in chondrichthyans
64 Respiration:
65
66 Predation
67 Crushing
68
69
70
71 Reproduction (all fertilize internally)
72
73 Shark or ray?
74 Class Actinopterygii Osteichthyes bony fish
75 Eye Lateral line Spinous dorsal Soft dorsal Caudal peduncle Caudal fin Dentary Scales Soft anal fin Maxilla Preopercle Opercle bone Pelvic fin Pectoral fin Anal spines Rockfish, Sebastes
76 Rovers
77 A m b u s h
78 Surface
79 Flat/bottom
80 Deep
81 Eel-like
82
83 Fins: pelvic Clingfish Goatfish
84 Pectoral
85 Dorsal and anal
86
87
88 Caudal Bursts Sustained Show Not much
89 Jaws also reflect feeding
90 Sensory organs
91 Gill openings
92 Swim bladder
93 Major groups of marine bony fish Eels Garden Moray Anguilla Conger
94 Ladyfish Tarpon Bonefish
95 Anchovy Menhaden Sardine
96 Arius felis Bagre marinus Catfishes Minnows are a major group of f/w fish
97 Salmon and trout
98 Deep forms including cod
99 Needlefish, flyingfish and killifish
100 Sea horses, pipefish, sea robins and scorpionfish
101 Most of the rest
102 Puffers and flatfish
103
104
105
106 Green Loggerhead Leatherback Ridleys Kemp s Olive
107 Fliers gulls, pelicans and terns Mostly Waders stilts and sandpipers Fully
108 Trichechus manatus
109 Sea lions Walrus Seals
110 Orca Dolphin Dolphins and porpoises Porpoise Pilot whale
111 Narwhals and belugas
112 Sperm whale Other toothed whales Beaked whale
113 Baleen whales: Blue, Humpback, Right, Gray, Minke
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