Term
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Definition
- Order Myxiniformes
- Subphylum Craniata
- Not true vertebrate
- No eyes, fins, scales
- Incredibly slimy
- Isosmotic
- Live in cold temperate waters
- Habitat: Muddy, soft ocean bottom
- Scavengers on dead fish |
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Term
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Definition
- Order Petromyzontiformes
-Subphylum Craniata
- Synapomorphy: vertebrae
- Have eyes, fins
- No scales
- Most are parasitic
- Anadromous
- Ammocoete larvae |
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Term
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Definition
- Breed in freshwater
- Live in marine as adults |
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Term
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Definition
- Fossil, extinct
- Class Pterasipodimorphi
- Class Cephalaspidomorphi |
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Term
Class Pterasipodimorphi
(2) |
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Definition
- Diplorhina (two nares)
- AKA Heterostracans |
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Term
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Definition
- Monorhina (single nostils)
- AKA Osteostracans |
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