Heptagenioidea

Heptagenioidea

Classification

Pronunciation

How to pronounce Heptagenioidea: /ˌhɛptəˌdʒɛnɪˈɔɪdiə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Flatheaded mayfly, Epeorus vitreus (7359536304) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.
Flatheaded mayfly, Heptagenia marginalis (15594145556) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.
Flatheaded mayfly, Epeorus pleuralis (7122318715) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.
Flatheaded mayfly, Epeorus vitreus (7980944116) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.
Flatheaded mayfly, Heptagenia marginalis (7749744098) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.
Flatheaded mayfly, Epeorus pleuralis (7122317647) by Bob Henricks from Charlottesville, United States. Used under a CC BY-SA 2.0 license.

Summary

Heptagenioidea is a superfamily of mayflies that adapted to breeding in flowing water, resulting in significant evolutionary changes.

Distribution

Found in most parts of the world, except the Arctic and Antarctic.

Evolution

Heptagenioidea probably originated in the Jurassic period when mayflies started breeding in flowing water, leading to adaptations in their mouthparts and forelegs for passive feeding.

Tags

  • mayflies
  • Heptagenioidea
  • superfamily
  • insecta
  • Ephemeroptera