Term
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Definition
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Term
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Definition
-cartilaginous skeleton, calcified but not ossified
-skull w/ no sutures
-teeth not fused to jaws- replaced serially
-internal fertilization w/ claspers
-high blood concentration of urea
-embryos encapsulated |
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Term
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Definition
375+ species of sharks
494+ species of rays
31+ species of Chimaeras |
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Term
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Definition
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Term
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Definition
Ratfish
Gill cover over 4 gill openings
Head claspers |
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Term
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Definition
Prisiophriformes
Squatiniformes
Squaliformes
Hexanchiformes
Lamniformes
Carcharhiniformes
Orectolobiformes
Heterodontiformes |
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Term
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Definition
Saw sharks
small rostrum
freshwater usually |
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Term
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Definition
dogfish
spines at the base of dorsal fin |
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Term
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Definition
| 6 gill sharks, 7 gill sharks |
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Term
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Definition
Mackerel sharks
Great white
Thrasher
Basking shark |
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Term
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Definition
ground sharks
leopard sharks
hammerhead |
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Term
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Definition
Carpet sharks
nurse sharks
wobblegongs
whale shark (filter feeders) |
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Term
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Definition
Bullhead
Hornshark (considered most primitive) |
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Term
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Definition
Lamniformes
were killed for sport in Monterey Bay fisheries
used oil for greasing the drills |
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Term
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Definition
related to nurse sharks
filter feeders |
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Term
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Definition
Lamniformes
filter feeders
similar to basking and whale sharks |
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Term
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Definition
Rays
-modified pectoral fins fused together |
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Term
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Definition
Torpedinidae
Pristidae
Rhinobatidae
Rajidae
Dasyatidae
Myliobatidae (Mobulidae) |
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Term
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Definition
electric rays
feed by zapping prey |
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Term
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Definition
saw fish
large; killed people in freshwater (mostly marine)
feed on inverts under the sand using the rostrum (electric fields help find pulses) |
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Term
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Definition
| guitar fish (Thornback ray) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| manta rays (second is newer name) |
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Term
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Definition
bony fish
extinct
5 gill arches
midsurface waterfeeders
440-280 mya |
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Term
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Definition
lobe finned vertebrates
Lungfishes & Coelacanths
-enamel on teeth |
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Term
| Subclass Coelacanthimorpha |
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Definition
Coelacanths
-found in deep, nasty places where people dont usually fish |
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Term
| Subclass Dipotetrapodomorpha |
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Definition
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Term
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Definition
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Term
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Definition
Comores Island
Indonesia
South Africa (Sodwana Bay)
Tanzania (Kenya) |
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Term
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Definition
| serves to almost separate the front and back halves of the brain and, theoretically, help with the swallowing of the coelacanth's larger prey |
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Term
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Definition
freshwater
subclass Dipotetrapodomorpha |
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Term
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Definition
1) Ceratodontidae (Australian)
2) Lepidosirenidae (South American)
3) Protopteridae (African) |
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