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Lake Sturgeons (Acipenser fulvescens) can be found in the Great Lakes and at the Shedd Aquarium on Lake Michigan.
Chapter Outline
- Description of Teleostomi
- Classification of Teleostomi
- Actinopterygii
- Neopterygii
- Teleostei
- Euteleosteomorpha
- Neoteleostei
- Acanthomorphata
- Euacanthomorphacea
- Percomorpharia
- Ovalentaria
- Sarcopterygii
- Paleo Teleostomi

NCBI Tree | Paleo Tree
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This page shows Actinopterygii's first two splits and focuses on the two orders isolated by those splits.
- Actinopterygii
- Polypteriformes - Bichirs
- Actinopteri
- Acipenseriformes - Sturgeons and Paddlefishes
- Neopterygii (following pages)
The order Polypteriformes contains a single family of Bichirs. As of 2024, 0 species of Polypteriformes have been observed in iNaturalist in the US and 9 throughout the world. Most observations have been in tropical Africa.
- FAMILY POLYPTERIDAE
- Ornate Bichir (Polypterus ornatipinnis) - most iNat observations in the US for Polypteriformes - IUCN Map - SCZ, Baltimore Aquarium, Africa
- Shortfin Bichir (Polypterus palmas) - 8 (Shedd)
This is the order of Sturgeons and Paddlefishes. As of 2024, 9 species of Acipenseriformes have been observed in iNaturalist in the US and 24 throughout the world.
- FAMILY ACIPENSERIDAE - STURGEONS
- Lake Sturgeon (Acipenser fulvescens) - NOAH IUCN Map - 8 (Great Lakes, Shedd), 10 (Baltimore Aquarium)
- White Sturgeon (Acipenser transmontanus) - most iNat observations in the US for Acipenseriformes - 7 (Monterey Bay)
- Pallid Sturgeon (Scaphirhynchus albus) - IUCN Map (EN) - 6 (Missouri River), 8 (Shedd)
- Shovelnose Sturgeon (Scaphirhynchus platorynchus) - IUCN Map - 8 (Mississippi River basin, Shedd)
- FAMILY POLYODONTIDAE - PADDLEFISHES
- Paddlefish (Polyodon spathula) - NOAH IUCN Map - 8 (Mississippi River system, Shedd)
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