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Spotted Ratfish (Hydrolagus colliei)
[© Thiebaud, Sara]
Chapter Outline
- Description of Vertebrata
- Classification of Vertebrata
- Cyclostomata (Ch. 32)
- Chondrichthyes
- Batoidea
- Chimaeriformes
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Chimaeriformes is the order of Chimaeras, sometimes known as Ratfish. As of 2024, only one species of Chimaeriformes has been observed in iNaturalist in the US and 25 throughout the world.
- Chondrichthyes
- Elasmobranchii
- Selachii (page 33-IV)
- Galeomorphii
- Galeoidea
- Carcharhiniformes - Ground Sharks
- Lamniformes - Mackerel Sharks
- Orectolobiformes - Carpet Sharks
- Heterodontoidea
- Heterodontiformes - Bullhead Sharks
- Squalimorphii
- Echinorhiniformes - Bramble Sharks
- Hexanchiformes - Cow and Frilled Sharks
- Pristiophoriformes - Saw Sharks
- Squaliformes - Dogfishes
- Squatiniformes - Angel Sharks
- Batoidea - Rays (page 33-V)
- Myliobatiformes - Stringrays
- Rajiformes - Rays
- Rhinopristiformes - Sawfishes, Guitarfishes
- Torpediniformes - Electric Rays
- Holocephali
- Chimaeriformes - Chimaeras (this page)
- FAMILY CALLORHINCHIDAE
- Australian Elephantfish (Callorhinchus milii) - most iNat observations in the world for Chimaeriformes
- FAMILY CHIMAERIDAE - SHORTNOSE CHIMAERAS
- Chimaera
- Spotted Ratfish (Hydrolagus colliei) - most iNat observations in the US for Chimaeriformes - 7 (Monterey Bay), 8 (Shedd)
- FAMILY RHINOCHIMAERIDAE
- Bigspine Spookfish (Harriotta raleighana) - (New Zealand, Northeast U.S. Coast)
- Sicklefin Chimaera (Neoharriotta pinnata) - (African Coast)
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